All Post type Widgets have specific characteristics that can solve any display or functional problem.
You can see a typical template built with Post Widgets. You can find the list down below.
Take a look at this page.
How was this page built?
Associated Terms and Taxonomy (Tag or Categories)
Featured Image, the cover image
Icon format, the settled post format
Post Metas, any type of associated metadata
Content, your post content
Author meta, the author and his/her user data
Prev Next, post navigation
Dynamic Post, to build lists of items also dynamically related to the post or page you are visiting
Dynamic Template, the template you want to display and repeat in all your posts