@fugu13  I'd say "tags" would be a synonym, and a name I considered. Main driver is to have a way to get "profile" in the statement in a searchable way, and therefore remove the use case driving "activity type" querying, but I don't see the need to distinguish more general categories of statements from the profile use case as it's simple enough to check that list of activities against known profiles, and anyone querying for a profile wont' be bothered by other items in the list. On the other hand, profile didn't seem to fit in parent or grouping, I wanted to leave "other" for things we truly didn't think of, and it suggested this new sort of categorizing activity.