
Back
Directional Movement
Use 'back' to express movement towards the starting point or in reverse of a current direction.

Walk ten steps forward, then go back.
Emotional Reflection
In reflective or nostalgic contexts, 'back' can indicate thinking about the past.

Looking back, I wouldn't change a thing.
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DorsalHindPosteriorRearRearwardRefundReturnReverseSpine
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