Match on action-
This is a type of an editing technique, where the editor puts two shots together that have either different shot or angle type, these are then put together to create continuity in the scene.
Example's of match on action is :

180 degree rule:
This is where the camera moves in a 180 degree motion in any direction given that the characters in a scene don't change places, the camera has to stay on the same side of the characters/objects in the scene to create a successful 180 degree shot.
Examples of this are:
(this is from the film Harry Potter during the duelling scene)

Preliminary Task

Shoot/reverse/shot:
This is when a character is seen looking at one person then it changes to the other person usually used with a over the shoulder shot during a conversation in the scene. Again it is an editing technique.
Examples of this are: