Welcome michaell, here's some help

ATF-all time favorite

CG- Cow Girl (her on top)

RCG-Reverse Cow Girl (her on top back to you)

DATY-Dining at the Y (you going down on her)

BBBJ-Bare Back Blow Job (without Condom)

These are just a few theres many more, email if you have any you still don't know.

Good luck