...the other one is the "taxiis", "departs", "lines up"
The idea is that
You are reporting what
YOU are doing.
It's not a fukcing running commentary and we aren't on the edge of our seats.
Oh... and it's not in AIP/JEPP like that either.
Aero Club pilots at my local aerodrome have taken to the ol' double-click as a response. Very handy to make a call as you turn inbound on the NDB approach and simply get "click click" as a reply.
ITCZ's point about discipline is an excellent one and well made.