Use the Navigation Highlight module to display text and an image. You can also use it as a navigation item by adding a link or a button.
To add this module to a space overview, go into the Space Overview Editor. To add this module to other pages in your Confluence space, use the Content Layout macro.
Module settings
You can change the following settings:
Text. Heading (primary text) and body text (secondary text).
Background. Choose an image or a background colour.
Button. Optional: when you add a text and URL, a button is added to your module.
Link URL. Optional: when you enter a URL, the whole block of content becomes clickable.
Tip: use either a button or a link URL, so it is clear for users where to click.