public static function taxonomy_data() {
		$base_colors = INVP::base_colors();
		$taxonomies  = array(
			array(
				'args' => array(
					'hierarchical'   => true,
					'label'          => __( 'Model years', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Model years', 'inventory-presser' ),
						'singular_name' => __( 'Model year', 'inventory-presser' ),
						'search_items'  => __( 'Search years', 'inventory-presser' ),
						'popular_items' => __( 'Popular years', 'inventory-presser' ),
						'all_items'     => __( 'All years', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Model Year', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Model Year', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Model Year', 'inventory-presser' ),
						'new_item_name' => __( 'New Model Year', 'inventory-presser' ),
						'back_to_items' => __( '← Go to years', 'inventory-presser' ),
					),
					'meta_box_cb'    => null,
					'query_var'      => 'model-year',
					'singular_label' => __( 'Model year', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
			),
			array(
				'args' => array(
					'hierarchical'   => true,
					'label'          => __( 'Makes', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Makes', 'inventory-presser' ),
						'singular_name' => __( 'Make', 'inventory-presser' ),
						'search_items'  => __( 'Search makes', 'inventory-presser' ),
						'popular_items' => __( 'Popular makes', 'inventory-presser' ),
						'all_items'     => __( 'All makes', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Make', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Make', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Make', 'inventory-presser' ),
						'new_item_name' => __( 'New Make Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to makes', 'inventory-presser' ),
					),
					'meta_box_cb'    => null,
					'query_var'      => 'make',
					'singular_label' => __( 'Make', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
			),
			array(
				'args' => array(
					'hierarchical'   => true,
					'label'          => __( 'Models', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Models', 'inventory-presser' ),
						'singular_name' => __( 'Model', 'inventory-presser' ),
						'search_items'  => __( 'Search models', 'inventory-presser' ),
						'popular_items' => __( 'Popular models', 'inventory-presser' ),
						'all_items'     => __( 'All models', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Model', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Model', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Model', 'inventory-presser' ),
						'new_item_name' => __( 'New Model Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to models', 'inventory-presser' ),
					),
					'meta_box_cb'    => null,
					'query_var'      => 'model',
					'singular_label' => __( 'Model', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
			),
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Conditions', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Conditions', 'inventory-presser' ),
						'singular_name' => __( 'Condition', 'inventory-presser' ),
						'search_items'  => __( 'Search new and used', 'inventory-presser' ),
						'popular_items' => __( 'Popular conditions', 'inventory-presser' ),
						'all_items'     => __( 'All new and used', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Condition', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Condition', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Condition', 'inventory-presser' ),
						'new_item_name' => __( 'New Condition Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to conditions', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'condition',
					'singular_label' => __( 'Condition', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'New'  => 'New',
					'Used' => 'Used',
				),
			),
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Types', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Types', 'inventory-presser' ),
						'singular_name' => __( 'Type', 'inventory-presser' ),
						'search_items'  => __( 'Search types', 'inventory-presser' ),
						'popular_items' => __( 'Popular types', 'inventory-presser' ),
						'all_items'     => __( 'All types', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Type', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Type', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Type', 'inventory-presser' ),
						'new_item_name' => __( 'New Type Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to types', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html_type' ),
					'query_var'      => 'type',
					'rest_base'      => 'inventory_type',
					'singular_label' => __( 'Type', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'ATV'  => 'All Terrain Vehicle',
					'BOAT' => 'Boat',
					'BUS'  => 'Bus',
					'CAR'  => 'Passenger Car',
					'MOT'  => 'Motorcycle',
					'MOW'  => 'Mower',
					'OTH'  => 'Other',
					'RV'   => 'Recreational Vehicle',
					'SUV'  => 'Sport Utility Vehicle',
					'TRLR' => 'Trailer',
					'TRU'  => 'Truck',
					'VAN'  => 'Van',
				),
			),
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Availabilities', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Availabilities', 'inventory-presser' ),
						'singular_name' => __( 'Availability', 'inventory-presser' ),
						'search_items'  => __( 'Search availabilities', 'inventory-presser' ),
						'popular_items' => __( 'Popular availabilities', 'inventory-presser' ),
						'all_items'     => __( 'All sold and for sale', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Availability', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Availability', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Availability', 'inventory-presser' ),
						'new_item_name' => __( 'New Availability Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to availabilities', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'availability',
					'singular_label' => __( 'Availability', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'For sale'     => 'For sale',
					'Sale pending' => 'Sale pending',
					'Sold'         => 'Sold',
					'Wholesale'    => 'Wholesale',
				),
			),
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Drive types', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Drive types', 'inventory-presser' ),
						'singular_name' => __( 'Drive type', 'inventory-presser' ),
						'search_items'  => __( 'Search drive types', 'inventory-presser' ),
						'popular_items' => __( 'Popular drive types', 'inventory-presser' ),
						'all_items'     => __( 'All drive types', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Drive Type', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Drive Type', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Drive Type', 'inventory-presser' ),
						'new_item_name' => __( 'New Drive Type Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to drive types', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'drive-type',
					'singular_label' => __( 'Drive type', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'4FD' => 'Front Wheel Drive w/4x4',
					'4RD' => 'Rear Wheel Drive w/4x4',
					'2WD' => 'Two Wheel Drive',
					'4WD' => 'Four Wheel Drive',
					'AWD' => 'All Wheel Drive',
					'FWD' => 'Front Wheel Drive',
					'RWD' => 'Rear Wheel Drive',
				),
			),

			/**
			* Propulsion type is essentially drive type for boats
			*/

			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Propulsion types', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Propulsion types', 'inventory-presser' ),
						'singular_name' => __( 'Propulsion type', 'inventory-presser' ),
						'search_items'  => __( 'Search propulsion types', 'inventory-presser' ),
						'popular_items' => __( 'Popular propulsion types', 'inventory-presser' ),
						'all_items'     => __( 'All propulsion types', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Propulsion Type', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Propulsion Type', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Propulsion Type', 'inventory-presser' ),
						'new_item_name' => __( 'New Propulsion Type Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to propulsion types', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'propulsion-type',
					'singular_label' => __( 'Propulsion type', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'IN'  => 'Inboard',
					'OUT' => 'Outboard',
					'IO'  => 'Inboard/Outboard',
					'JET' => 'Jet',
				),
			),

			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Fuels', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Fuel types', 'inventory-presser' ),
						'singular_name' => __( 'Fuel type', 'inventory-presser' ),
						'search_items'  => __( 'Search fuel types', 'inventory-presser' ),
						'popular_items' => __( 'Popular fuel types', 'inventory-presser' ),
						'all_items'     => __( 'All fuel types', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Fuel Type', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Fuel Type', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Fuel Type', 'inventory-presser' ),
						'new_item_name' => __( 'New Fuel Type Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to fuel types', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'fuel',
					'singular_label' => __( 'Fuel', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'B' => 'Electric and Gas Hybrid',
					'C' => 'Convertible',
					'D' => 'Diesel',
					'E' => 'Electric',
					'F' => 'Flexible',
					'G' => 'Gas',
					'N' => 'Compressed Natural Gas',
					'P' => 'Propane',
					'R' => 'Hydrogen Fuel Cell',
					'U' => 'Unknown',
					'Y' => 'Electric and Diesel Hybrid',
				),
			),
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Transmissions', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Transmissions', 'inventory-presser' ),
						'singular_name' => __( 'Transmission', 'inventory-presser' ),
						'search_items'  => __( 'Search transmissions', 'inventory-presser' ),
						'popular_items' => __( 'Popular transmissions', 'inventory-presser' ),
						'all_items'     => __( 'All transmissions', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Transmission', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Transmission', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Transmission', 'inventory-presser' ),
						'new_item_name' => __( 'New Transmission Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to transmissions', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'transmission',
					'singular_label' => __( 'Transmission', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'A' => 'Automatic',
					'E' => 'ECVT',
					'M' => 'Manual',
					'U' => 'Unknown',
				),
			),
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Cylinders', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Cylinders', 'inventory-presser' ),
						'singular_name' => __( 'Cylinder count', 'inventory-presser' ),
						'search_items'  => __( 'Search cylinder counts', 'inventory-presser' ),
						'popular_items' => __( 'Popular cylinder counts', 'inventory-presser' ),
						'all_items'     => __( 'All cylinder counts', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Cylinder Count', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Cylinder Count', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Cylinder Count', 'inventory-presser' ),
						'new_item_name' => __( 'New Cylinder Count', 'inventory-presser' ),
						'back_to_items' => __( '← Go to cylinder counts', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'cylinders',
					'singular_label' => __( 'Cylinders', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'1'  => '1',
					'2'  => '2',
					'3'  => '3',
					'4'  => '4',
					'5'  => '5',
					'6'  => '6',
					'8'  => '8',
					'10' => '10',
					'12' => '12',
				),
			),
			array(
				'args' => array(
					'hierarchical'   => true,
					'label'          => __( 'Body styles', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Body styles', 'inventory-presser' ),
						'singular_name' => __( 'Body style', 'inventory-presser' ),
						'search_items'  => __( 'Search body styles', 'inventory-presser' ),
						'popular_items' => __( 'Popular body styles', 'inventory-presser' ),
						'all_items'     => __( 'All body styles', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Body Style', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Body Style', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Body Style', 'inventory-presser' ),
						'new_item_name' => __( 'New Body Style Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to body styles', 'inventory-presser' ),
					),
					'meta_box_cb'    => null,
					'query_var'      => 'style',
					'singular_label' => __( 'Body style', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
			),
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Colors', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Color', 'inventory-presser' ),
						'singular_name' => __( 'Color', 'inventory-presser' ),
						'search_items'  => __( 'Search colors', 'inventory-presser' ),
						'popular_items' => __( 'Popular colors', 'inventory-presser' ),
						'all_items'     => __( 'All colors', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Color', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Color', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Color', 'inventory-presser' ),
						'new_item_name' => __( 'New Color Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to colors', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'colors',
					'singular_label' => __( 'Color', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array_combine( $base_colors, $base_colors ),
			),
			array(
				'args' => array(
					'hierarchical'   => false,
					'label'          => __( 'Locations', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Location', 'inventory-presser' ),
						'singular_name' => __( 'Location', 'inventory-presser' ),
						'search_items'  => __( 'Search locations', 'inventory-presser' ),
						'popular_items' => __( 'Popular locations', 'inventory-presser' ),
						'all_items'     => __( 'All locations', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Location', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Location', 'inventory-presser' ),
						'view_item'     => __( 'View Location', 'inventory-presser' ),
						'update_item'   => __( 'Update Location', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Location', 'inventory-presser' ),
						'new_item_name' => __( 'New Location Name', 'inventory-presser' ),
						'not_found'     => __( 'No locations found', 'inventory-presser' ),
						'no_terms'      => __( 'No locations', 'inventory-presser' ),
						'menu_name'     => __( 'Locations', 'inventory-presser' ),
						'back_to_items' => __( '← Go to locations', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'location',
					'singular_label' => __( 'Location', 'inventory-presser' ),
					'show_in_menu'   => true,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
			),

			// Boat Condition.
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Condition', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Condition', 'inventory-presser' ),
						'singular_name' => __( 'Condition', 'inventory-presser' ),
						'search_items'  => __( 'Search conditions', 'inventory-presser' ),
						'popular_items' => __( 'Popular conditions', 'inventory-presser' ),
						'all_items'     => __( 'All conditions', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Condition', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Condition', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Condition', 'inventory-presser' ),
						'new_item_name' => __( 'New Condition Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to condition', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'condition_boat',
					'singular_label' => __( 'Condition', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'New'       => 'New',
					'Excellent' => 'Excellent',
					'Good'      => 'Good',
					'Fair'      => 'Fair',
					'Poor'      => 'Poor',
				),
			),

			// Number of Engines (boats).
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Number of Engines', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Number of Engines', 'inventory-presser' ),
						'singular_name' => __( 'Number', 'inventory-presser' ),
						'search_items'  => __( 'Search numbers', 'inventory-presser' ),
						'popular_items' => __( 'Popular numbers', 'inventory-presser' ),
						'all_items'     => __( 'All numbers', 'inventory-presser' ),
						'parent_item'   => __( 'Parent numbers', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Number', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Number of Engines', 'inventory-presser' ),
						'new_item_name' => __( 'New Number Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to number', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'engine_count',
					'singular_label' => __( 'Number of Engines', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					'1' => '1',
					'2' => '2',
				),
			),

			// Engine Make (boats).
			array(
				'args' => array(
					'hierarchical'   => true,
					'label'          => __( 'Engine Makes', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Engine Makes', 'inventory-presser' ),
						'singular_name' => __( 'Engine Make', 'inventory-presser' ),
						'search_items'  => __( 'Search engine makes', 'inventory-presser' ),
						'popular_items' => __( 'Popular engine makes', 'inventory-presser' ),
						'all_items'     => __( 'All engine makes', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Engine Make', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Engine Make', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Engine Make', 'inventory-presser' ),
						'new_item_name' => __( 'New Engine Make Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to engine make', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'engine_make',
					'singular_label' => __( 'Engine Make', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
			),

			// Engine Model (boats).
			array(
				'args' => array(
					'hierarchical'   => true,
					'label'          => __( 'Engine Models', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Engine Models', 'inventory-presser' ),
						'singular_name' => __( 'Engine Model', 'inventory-presser' ),
						'search_items'  => __( 'Search engine models', 'inventory-presser' ),
						'popular_items' => __( 'Popular engine models', 'inventory-presser' ),
						'all_items'     => __( 'All engine models', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Engine Model', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Engine Model', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Engine Model', 'inventory-presser' ),
						'new_item_name' => __( 'New Engine Model Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to engine model', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'engine_model',
					'singular_label' => __( 'Engine Model', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
			),

			// Horsepower (boats).
			array(
				'args' => array(
					'hierarchical'   => true,
					'label'          => __( 'Horsepower', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Horsepower', 'inventory-presser' ),
						'singular_name' => __( 'Horsepower', 'inventory-presser' ),
						'search_items'  => __( 'Search horsepower', 'inventory-presser' ),
						'popular_items' => __( 'Popular horsepower', 'inventory-presser' ),
						'all_items'     => __( 'All horsepower', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Horsepower', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Horsepower', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Horsepower', 'inventory-presser' ),
						'new_item_name' => __( 'New Horsepower Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to horsepower', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'horsepower',
					'singular_label' => __( 'Horsepower', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
			),

			// Hull Material (boats).
			array(
				'args'      => array(
					'hierarchical'   => true,
					'label'          => __( 'Hull Materials', 'inventory-presser' ),
					'labels'         => array(
						'name'          => __( 'Hull Materials', 'inventory-presser' ),
						'singular_name' => __( 'Hull Material', 'inventory-presser' ),
						'search_items'  => __( 'Search hull materials', 'inventory-presser' ),
						'popular_items' => __( 'Popular hull materials', 'inventory-presser' ),
						'all_items'     => __( 'All hull materials', 'inventory-presser' ),
						'parent_item'   => __( 'Parent Hull Material', 'inventory-presser' ),
						'edit_item'     => __( 'Edit Hull Material', 'inventory-presser' ),
						'add_new_item'  => __( 'Add New Hull Material', 'inventory-presser' ),
						'new_item_name' => __( 'New Hull Material Name', 'inventory-presser' ),
						'back_to_items' => __( '← Go to hull materials', 'inventory-presser' ),
					),
					'meta_box_cb'    => array( 'Inventory_Presser_Taxonomies', 'meta_box_html' ),
					'query_var'      => 'hull_materials',
					'singular_label' => __( 'Hull Material', 'inventory-presser' ),
					'show_in_menu'   => false,
					'show_in_rest'   => true,
					'show_ui'        => true,
				),
				'term_data' => array(
					__( 'Aluminum', 'inventory-presser' )  => __( 'Aluminum', 'inventory-presser' ),
					__( 'Carbon Fiber', 'inventory-presser' ) => __( 'Carbon Fiber', 'inventory-presser' ),
					__( 'Composite', 'inventory-presser' ) => __( 'Composite', 'inventory-presser' ),
					__( 'Ferro-Cement', 'inventory-presser' ) => __( 'Ferro-Cement', 'inventory-presser' ),
					__( 'Fiberglass', 'inventory-presser' ) => __( 'Fiberglass', 'inventory-presser' ),
					__( 'Hypalon', 'inventory-presser' )   => __( 'Hypalon', 'inventory-presser' ),
					__( 'Other', 'inventory-presser' )     => __( 'Other', 'inventory-presser' ),
					__( 'PVC', 'inventory-presser' )       => __( 'PVC', 'inventory-presser' ),
					__( 'Steel', 'inventory-presser' )     => __( 'Steel', 'inventory-presser' ),
					__( 'Wood', 'inventory-presser' )      => __( 'Wood', 'inventory-presser' ),
				),
			),
		);
		return apply_filters( 'invp_taxonomy_data', $taxonomies );
	}