1. ABCs - Noun
2. ABCs - Proper noun
the elementary stages of any subject (usually plural)
Source: WordNetThe ABCs are attitude, behavior and communication skills. Gerald Chertavian
To be worth as much as the H in the ABCs. Sicilian Proverb
he mastered only the rudiments of geometry Source: Internet
Established in 1931, ABC was the first UK Joint Industry Currency (JIC) and is a founder member of the International Federation of ABCs. Source: Internet
But now, four years later, it’s time to update our ABCs! Source: Internet
Call it “Sesame Street” for those who will never learn their ABCs. Source: Internet