So, the "Right Arm Swing" is a 4 barrel left arm stroke per 10-3-B, -D, -K and 7-19/1-F.
Left Arm Swing is accelerating the Golf Club Longitudinally, i.e., lengthwise in the direction the butt end is pointing, with the Left Arm and usually with Body Momentum Transfer per 2-K.
Right Arm Swing is accelerating the Golf Club Longitudinally with the Right Arm -- always with neglible benefit from Body Momentum Transfer.