Different camera angle shots

ECU (Extreme close up)

This is a very close up shot to show small detail on an object or a person. The purpose of it is to show a viewer important detail.

CU (Close up)

This shot is like a facial shot, it is more distant than an extreme close up.
The purpose of this shot is to reveal detail to the viewer.

Head and Shoulders
This shot reveals a persons head and shoulders, it is often used on the news as you can still see detail such as lips moving and facial expressions clearly.

MS (Medium shot)

This shot consists of being below the waist up to above the head (leaving some headroom) This way the viewer can see a persons hand actions as well as their facial expressions.

LS (long shot)

A persons entire body is in this shot, this is useful if a persons walking or moving in any way and it is important for the viewer to see the persons body language.

ELS (extra long shot)
This shot is also known as the establish shot. This gives the viewer some perspective of where the character is, and will make it clear what the location/setting is like.

Two shot
This is when two people are in the scene and their interaction is important to the viewer. This is often used to introduce a scene of a conversation or a reaction.

OS (over shoulder shot)
This shot consists of the camera being held over the shoulder of a character to reveal another character. This is usually used in conversation between two characters as it stimulates a view of the subject as seen from the second persons eyes.