We used an acronym in the Army: OCOKA.
Observation
Cover and concealment
Obstacles
Key terrain features
Avenues of approach
-Observation means what you can see from the area.
-Cover means protection from enemy fire (hopefully not going to be an issue) while concealment means being hidden from sight.
-Obstacles are anything that would keep someone from getting in or out of the area.
-Key terrain features are anything such as a hill, boulder, a depression, etc.
-Avenues of approach are any way someone could get into the area, and where it’s most likely.