Definitions

Shot reverse shot is a film technique where one character is shown looking at another character (often off-screen), and then the other character is shown looking "back" at the first character. Since the characters are shown facing in opposite directions, the viewer assumes that they are looking at each other.



A match on action is a technique used in film editing, is a cut that connects two different views of the same action at the same moment in the movement, by carefully matching the movement across the two shots. It allows us to see actions such as opening a door from two angles.

The 180° rule is a basic guideline in film making that states that the camera should never cross the imaginary straight line whilst filming a narrative.