Move actors within a shot for emphasis. Notice that actors tend to stand closer together in a movie than they would in a real social situation. Notice that no one notices this artifice. Roughly speaking, big image changes carry more power than little ones. If one actor takes a swing at another, the bigger the fist moving through the frame, the better.
Shots have a life of their own.
Something should happen in each one. Without an event, a shot is dead. Cinematic Expression Notice that by atomizing the events of a dramatic sequence into discrete shots chosen, framed, and cut together with care, filmmakers can intensify the movie experience in a number of important ways. Overall, a satisfying pace can be generated mechanically by timing the cuts. Often, a close-up is important to read an actor's mood or intentions.