All G&A a/c A/D a/r A/S a/s/l C/A See all meanings Idioms and phrases on the collision training course idiom[ C/U ]   songs   plural A’s or As in Western new music, the sixth Observe in the size (= series of notes) that commences about the Take note C, or perhaps a set of notes based upon this Be aware⟨a⟩ could be the 3rd-most-commonly appl