Naming things is hard.
Yes.
talkgroup. Named after trunked radio systems.
A hub could be a building or a bicycle part or forums. Forums can also be other things, but most folks know what forums are in the context you are speaking.
talkgroup is the best because:
- You get it, even if you don’t know what I’m referring to (it’s a group. for talking.), or
- The listener knows what a radio talkgroup is, and they are so gonna check it out.
