How to understand the meaning of pushing, pulling, shaking, moving, steady, accurate, flat, even and light in DV photography? (350 words

Action shots in film and television shooting are realized by pushing, pulling, shaking and moving the lens. The trajectory of movement.

Push (lens from far to near), pull (opposite to push) and shake (plane axis is unchanged, including rolling, vertical shaking and oblique shaking, etc. ), movement (including translation, arc movement, etc. Usually by placing the machine on a rail car)

Steady, accurate, flat, even and light. It is the operating principle of motion lens shooting. Steady; The camera should be stable, especially when shooting from the left. Quasi; The left picture of the lens movement should be accurate. Ping; The level of the machine should be flat. General; The average speed can't be fast or slow when the lens moves. Light; Start and left picture