DOA uses numpad notation. This is where you look at your keyboard's numpad.
7 8 9
4 5 6
1 2 3
is a press then release
is a press then hold
= Punch
= Kick
= Free
= Hold
Free and Hold are interchangeable as both perform the same function. Hold is used in all DOAs except DOA2, DOA3, and DOA4 where Free is used instead.