mis-en-scene

There is a technique in film creation known as mis-en-scene. It's a french term for what is being shown within the parameter of the four corners of what we perceive. There are events occurring on the out side of the screen itself because the camera eye doesn't box itself into one area as itself. However, these items are crucial to what we see, therefore have a meaning to be there. Whether plot related or a joke among set, every prop you use in mis-en-scene has its purpose. To the viewer's psyche. Since the silent era, mis-en-scene was able to create thought through what we see in signs. You know, those signs you see on the wall at diner restaurants that are littered through film's history those consume the mis-en-scene to what we visually comprehend.