The 180-degree rule states that the camera should remain on one side of an imaginary line between subjects in a scene. This keeps characters consistently oriented on one side of the screen and ensures they appear to be facing each other when only one is shown. Breaking this rule risks making it seem like the subjects' positions have changed. Shot reverse shot cutting between two speaking subjects can highlight their differences and allow viewing each person's reactions. Action match cuts continue a movement between shots from different angles to maintain smooth action across a cut.