This is a 'high-angle-wide' shot; these type of shots are mostly used for setting the scene or for showing what's happening in the shot.
This is called a 'over-the-shoulder' shot. These shots are used to show the facial emotion of a character from another character's point of view.
This shot is called a 'medium' shot. These types of shots are supposed to show the setting of the place & everything that's happening into one shot.
This is called a 'close-up' shot. These shots are usually for the facial emotion up close so that you can see the image with detail.
This shot a 'high-angle' wide shot. These shots are to show when someone is dead or something.
