Direct links can be selected when you share an asset from a portal. They are the URL from within the embed code that links directly to an image, video, or document. Typically longer than share links, they’re useful for apps that accept a URL directly, as it allows that app to modify how an asset is displayed.
For example, for the asset below that's included in a portal, the embed code is a snippet of HTML that can be pasted into an email, blog post, etc. It looks like this:
Whereas the direct link for the asset looks like this:
In addition, the Portals app has a method to share a direct link to a portal.