The underlying principle: Always try to do the most with the leastâwith an emphasis on try. You may not always succeed, but attempt to produce the greatest effect in the viewerâs mind by the least number of things on the screen. Why? Because you want to do only what is necessary to engage the imagination of the audienceâthe suggestion is always more effective than exposition. Past a certain point, the more effort you put into a wealth of detail, the more you encourage the audience to become spectators rather than participants