What's the difference between moving the camera and following it?

Both shooting methods refer to sports shooting. In a broad sense, "moving" refers to moving shooting, and the camera moves the shooting target in space according to the line controlled by the photographer; And "following" can be understood as two concepts: tracking shooting and following focusing. Tracking shooting means that when shooting a moving target, the camera is fixed on one side of the target, or moving along the moving track of the target, which has a clear route track relative to "moving", which is determined by the moving track of the target. Follow-up focusing means that the focal length of the camera follows the distance change and movement track of the target and adjusts the focal length in time to control the focal length within the range required by the photographer.

I don't understand.