Adancer reaches from her shoulder out to the distal ends of her arm and traces a huge circle with her fingertips far away from her torso. she then repeats the same circle traced with her fingertips, but at the halfway mark she stops and dabs the elbow of her other arm sporadically in the air for a few seconds, before continuing to trace the circle. of the list of compositional devices, the second action is an example of what?