Transition frame: After defining the start key frame and the end key frame, the frame between the start key frame and the end key frame is called the transition frame. Transition frame is the detailed process of animation realization, it can concretely reflect the change process of animation. When you click the transition frame with the left mouse button, you can preview the animation of this frame in the work area. The screen of the transition frame is generated by the computer and cannot be edited.
