Match on action - cutting on action or matching on action refers to film editing techniques where the editor cuts from one shot to another view that matches the first shots action.
Shot revers shot - film technique where one character is shown looking at another character, anad then the other character is shown looking back at the character.
180 degrease rule - 180 degree rule is basic guidelines regarding the on screen spatial relationship between a character and another character or object within a scene.