definition
A long shot shows the full length of the actor's body.
director's intention
The director uses this shot to show the person in relation to their surroundings. Also it can be used to show the characters'
impact on audience
The audience gets to see the full length of the actor's bodies and it shows what they are doing as well as the surrounding. A long shot will often give the audience the feeling that they are in the same place as the action.