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 course idiomAbout 1000 bce, in Byblos together with other Phoenician and Canaanite centres, the sign was presented a linear variety (3), the source of all afterwards sorts. In Semitic languages this sign was identified as alephA is usually accustomed to denote so