Post Formats is a theme feature introduced with Version 3.1. Post Formats can be used by a theme to customize its presentation of a post.
illustration, ilustración, sign painting, rotulación, retolació, creativity, lowbrow, artisan, barcelona, sketch, helmet, custom, kustom kulture,
254
post-template-default,single,single-post,postid-254,single-format-quote,stockholm-core-2.2.8,qi-addons-for-elementor-1.2.0,select-theme-ver-8.8,ajax_updown_fade,page_not_loaded,vertical_menu_enabled,,qode_menu_,wpb-js-composer js-comp-ver-6.6.0,vc_responsive,elementor-default,elementor-kit-21975

— Post Formats is a theme feature introduced with Version 3.1. Post Formats can be used by a theme to customize its presentation of a post.

– more on WordPress.org: Post Formats