All G&A a/c A/D a/r A/S a/s/l C/A See all meanings Idioms and phrases with a collision program idiom[ C/U ]   songs   plural A’s or As in Western songs, the sixth Be aware in the scale (= number of notes) that starts within the Be aware C, or perhaps a set of notes based on this Take note[4] The Roman kind ?a? is located in most printed product