For displaying and linking to related information.
Use this when you need to signpost users to additional content.
Use this to display body copy on your page.
This should always be used for any body copy on the page. Text should never go full-width on a page because it makes it harder to read. Line length should be approximately XX characters.
Use this when you have a single screen that offers the user many different action points.
The heading should summarise what this relates to
The copy can give more explicit information.
The button should have an explicit call to action that is specific to that action/content being linked to.