3/
The "describes" field would point to the thing being labelled.
The "attributedTo" field would point to the person or machine that create these label.
And the "attachment" field would be a list of labels.
The (top level) "icon" field would be an icon that would be shown next to the label in the user-interface (UI).
#ActivityPub #ActivityStreams #ActivityPubProfile #DeSo #FediDev #FediDevs #Fediverse #FediverseLabeler #JSONLD #OpenWeb #OpenSocial #SocialWeb