Depth of field: This is the focus on the different layers in frame where the foreground, middle-ground or background can be sharp  all at once or one of them is clear.

Shallow Focus: When a photo or film has full focus on something or someone while the rest of frame or scene is out of focus. Usually done to show importance or to keep focus on something.

Deep Focus: Where the Foreground, middle-ground, and background is in focus while all of the frame is sharp and clear.

To similar scenes in Pulp Fiction where there is a use Depth of focus in deep focus and shallow focus.