1. "Deadly force" means force which a person uses with the intent of causing, or which he knows creates a substantial risk of causing, death or serious bodily injury. A threat to cause death or serious bodily injury, by the production of a weapon or otherwise, so long as the actor's intent is limited to creating an apprehension that he will use deadly force if necessary, does not constitute deadly force.
2. "Dwelling" means any building or structure, though movable or temporary, or a portion thereof, which is for the time being a person's home or place of lodging.
3. "Force" means physical action, threat, or menace against another, and includes confinement.
4. "Premises" means all or any part of a building or real property, or any structure, vehicle, or watercraft used for overnight lodging of persons, or used by persons for carrying on business therein.