It can and should be done. I remember a staff officer asking during the election Q and A if the name could be changed. There was no basis for the name staff or line when they were created. It was arbitrarily assigned because no one knew what to call them.
Now we do.
black uniforms are security services officers
green uniforms I would call Starfleet officers.
BryonBest reacted to buckrogersbarker in Staff Officer (black) CRL Update to R1 specifications