Shot Reverse Shot

Shot Reverse Shot is one of the 3 main principles of continuity editing. It is often used when two characters are exchanging dialogue. The character is looking at someone or something off screen and then it cuts to what they are looking at. 

We start with the shot: For instance a man saying 'Hello'

We have the reverse: The reaction to 'Hello' from who the man is looking at.

We then return to the shot: We see the man in the first shot.

In the video above from seconds 20 to 30 the two characters exchange dialogue, here is an example of shot reverse shot.

Sources: Video - Youtube, User: Tobersx, Last Accessed: 4th October