https://www.bjjnc.com/most-common-positions-in-brazilian-jiu-jitsu-guard-mount-back-mount-side-control/#:~:text=There%20are%20four%20common%20positions,superior%20part%20of%20your%20game.

Closed Guard
between opponents legs, feet locked
Open Guard
between opponents legs, feet open
Side Control (Side Mount, Cross Body)
Chest to chest
Mount
Sitting on torso; one knee on each side
Back Mount
If you have your opponents back
Turtle Position
Balled up, with elbows and knees tucked in
Knee on Belly
knee on partners belly
Half Guard
One leg stuck between opponents legs