Answer: c) rhythm
Explanation:
Rhythm (to flow) is the positioning of sounds in time.
It is the one indispensable element in music. It is a measured motion (I.e a pattern) of strong and weak elements (contrasting elements) in the flow of sound (music).
That's a lot of questions but everything is a yes for me, anything else is an i I Don't Know
Movement is the action and rhythm is the pattern.