180 Degree Rule

180 Degree Rule is when the camera will only show what is happening from one side theefore avioding confusing the audience. if two people where speaking in a scene the camera will show a shot af the first person speaking facing one way, and the second person will be shown in the next shot when they are speaking, facing the other way towards the person they are talking to, not crossing over 180 degree angle, this then clearly shows they are talking to eachother.