A boy can give you directions on how to get to the neighborhood store and, if you ask him, he can also tell you how to get back. To be able to do this reflects an understanding of

Question

Quizplus · Accepted Answer

Reversibility is the understanding that actions can be reversed, returning to the original state. In this context, knowing how to get back to the starting point after going to the store demonstrates an understanding of reversibility.  This is the child's understanding that both mental operations and physical actions can be reversed.

A Boy Can Give You Directions on How to Get