Open the content fragment for editing, then select Metadata from the side panel.
The Basic tab provides options that you can view or edit:
Thumbnail, for which you can Upload Image
Content Fragment Model indicates the model used to create the current fragment
Tags are particularly powerful when organizing your fragments as they can be used for content classification and taxonomy. Tags can be used for the purpose of finding content (by tags) and applying bulk operations.
For example, you can tag relevant fragments as “Christmas launch” to allow browsing only these as a subset, or to copy them for use with another future launch in a new folder.