All G&A a/c A/D a/r A/S a/s/l C/A See all meanings Idioms and phrases over a collision course idiomAbout a thousand bce, in Byblos and other Phoenician and Canaanite centres, the sign was supplied a linear kind (3), the source of all later sorts. In Semitic languages this indication was named alephWhen the ancient Greeks adopted the alphabet, they