Represents the battlefield -- the part of it that the truck can see.
Serves general information about the state of the battle.
Items are the portable objects that are not trucks.
Represents a physical truck unit on the battlefield.
Represents a truck that agent firmware can control.
Indicates a point location on a 2-D plane, or a vector in that plane.
If you dig a full-size hole and find nothing, then this result is trivial;
Contains the results of a fruitful
Indicates, to an observer, what a truck appears to be doing.