The 180 Degree Rule

One of the basic rules in filmmaking is the 180 degree rule, which prevents audience confusion.

The rule is a basic guideline which states that two characters (or other elements) in the same scene should always have the same left/right relationship to each other.

This video explains it using a scene from Alfred Hitchcock’s Vertigo (1958) as an example:

> Other rules in Editing
> Vertigo at Wikipedia