A platform owner is able to use the media section to show any sort of communication on this prime placement. and link these banners to be STATIC or to the product or a page, etc.
You can use this to
Important promotions
How-to Guides
Explanation of some features
Specific product promotion that leads to a listing page
Advertisement placement to a particular store
On Roadmap,
Towards a particular tag (A tag has a collection of listings)