A spectator's perception of the motion of a performer, or, the effect of the motion of a scene on the spectator.
The perception of the movement of one's own body, its limbs and muscles etc.
Sensation or perception of motion.
Proprioception or static position sense; the perception of the position and posture of the body; also, more broadly, including the motion of the body as well. See usage notes below.
The act of paying attention to a conversation or speech; listening.
The audience that listens to a certain form or genre of audio material (specifically (Internet, radio), an audio broadcast such as a radio program or a podcast).