Adjacent: An orthogonal space next to your robot (left, right, front, back) that is not through a wall.

Register Card: A card in one of your registers, be it damage or a regular programming card.

Target Robot: The robot your robot’s weapon will hit. This is the nearest robot in a straight line away from your robot in the direction in which your robot fires its weapon. All weapons fire forward only unless an upgrade specifically says otherwise.

Unoccupied: A space that is not occupied by a robot. Board Elements (such as walls, batteries, etc.) do not make a space “occupied.”