Advanced Technology Attachment; a computer bus technology primarily designed for transfer of data to and from a hard disk.
Proper Noun
American Taekwondo Association; a company founded by the late Heung Ung Lee. Dedicated to teaching Tradional Taekwondo (Songahm style) to people from Tiny Tiger-hood (ages 4-6) to Junior-hood (ages 7-17) to Senior-hood (18-?).