Techniques

Match On Action: Either an action commenced in shot A is completed in shot B, or an action in shot A is mirrored by an action in shot B

Shot Reverse Shot: A film technique where one character is shown to be looking at another character whom is off-screen and then the opposing character is shown looking back at the first character. As they're shown facing opposite directions, the audience assume they're looking at each other.

180-degree Rule: It is the basic guideline regarding the on-screen relationship between two characters or an object within a scene. It is almost like an imaginary line called the axis which connects the characters by keeping the camera on one side of the axis for every shot in the scene, the very first character will always be in frame right of the second character who is then always frame left of the first.