public static function populate_default_terms() {
		// create the taxonomies or else our wp_insert_term calls will fail.
		self::register_taxonomies();

		$taxonomy_data = self::taxonomy_data();
		$count         = count( $taxonomy_data );
		for ( $i = 0; $i < $count; $i++ ) {
			if ( ! isset( $taxonomy_data[ $i ]['term_data'] ) ) {
				continue;
			}

			foreach ( $taxonomy_data[ $i ]['term_data'] as $abbr => $desc ) {
				$taxonomy_name = str_replace( '-', '_', $taxonomy_data[ $i ]['args']['query_var'] ?? '' );
				if ( ! is_array( term_exists( $desc, $taxonomy_name ) ) ) {
					$term_exists = wp_insert_term(
						$desc,
						$taxonomy_name,
						array(
							'description' => $desc,
							'slug'        => $abbr,
						)
					);
				}
			}
		}
	}