The correct answer that would best complete the given statement above is this: A movement refers to a freestanding piece of music that is part of a larger work. Hope this answer helps.
This question contains the following options which you might have missed:
-Tempo change at the very end of the piece
-Repeating theme at the beginning of a symphony
-Freestanding piece of music that is part of a larger work
-Notational device for dynamic
