Movement is the act or process of moving from one place or position to another. It can also mean a group of people working together for a shared social, political, or artistic goal, or a major section of a musical piece.
From Old French *movemenz*, based on Latin *movimentum*, from *movere* “to move.” Over time it gained abstract senses for organized action and for structured parts of a musical work.
A protest movement and the movement of your hand are the same word because both are about change over time. Social movements ‘move’ ideas and laws the way bodies move through space. Even in music, a “movement” is a chunk of sound that travels through emotional space with a beginning, middle, and end.
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