/wp-content/themes/twentytwentyone/inc/

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	back-compat.php        [source] [92 lines]	Back compat functionality Prevents the theme from running on WordPress versions prior to 5.3, since this theme is not meant to be backward compatible beyond that and relies on many newer functions and markup changes introduced in 5.3.
	block-patterns.php     [source] [137 lines]	Block Patterns
	block-styles.php       [source] [112 lines]	Block Styles
	custom-css.php         [source] [42 lines]	Custom CSS
	menu-functions.php     [source] [101 lines]	Functions and filters related to the menus. Makes the default WordPress navigation use an HTML structure similar to the Navigation block.
	starter-content.php    [source] [184 lines]	Twenty Twenty-One Starter Content
	template-functions.php [source] [475 lines]	Functions which enhance the theme by hooking into WordPress
	template-tags.php      [source] [253 lines]	Custom template tags for this theme