180 degree rule and match on action

180 Degree rule
The 180 degree rule is astablished by a Master shot. From this shot you must astablish who is on which side of the shot.The line of interaction is simply the line in which they are making conversation. The camera must stay on the same side of the line of interaction as the master shot was taken, the camera can only cross the line of interaction if the shot shows the movement across the line.

Match on action
Mach on action is fluent editing from one angle/distance to another and possiably back.