The Posts widget is to be used on posts, pages, and Elementor templates. It lists posts based on the query you configure.
It’s on the query tab that you decide what posts to show using numerous settings. For instructions on how to configure the query see the specific Query tab article.
What should be shown and how is decided on the layout tab. It supports both built-in skins and also Elementor templates. For full documentation see the Layout tab article.
(optional) Content tab
When using the Standard skin new tabs are enabled. On the content tab, you can configure what is shown using the Standard skin.
On the style tab, you can configure basic settings regarding container heights and item dimensions. Styling is done per item in either a Elementor template or changing settings on the “Content” tab when using a skin.