The movement of a graph along a certain () is called translation exchange, or translation for short What are the brackets for

The movement of a graph along a certain () is called translation exchange, or translation for short What are the brackets for

Plane distance
It's a bit farfetched. The definition is as follows: in the plane, all the points on a graph are moved by the same distance in a certain direction. Such graphic motion is called the translational motion of a graph, which is called translational motion for short