Here are some analogies I linked to time:
You can lift up something out of a 2D drawing in the third dimension. Can something in our world be moved to the past/future?
A dot on a circle can move in one dimension, and if it does so far enough, it comes back to the starting point because the space is curved. On earth you can move in two dimensions curved, move far enough and you come back to the starting point. In 3D space, does time allow you to go back to the starting point?
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