1) Cinematography technique 
Any sort of shot where the camera follows a moving subject.
(from the article `motion picture, history of the`) ...Griffith began to practice panoramic panning shots not only to provide visual information but also to engage his audience in the total environment ... ...on a dolly, truck, or other hand-propelled wheeled vehicle to facilitate smooth movement. Later tracks were laid for the dolly or...
When the camera physically moves along a track in order to follow an action or reveal a scene.
A tracking shot is one where the camera is placed on a dolly and is moved while filmming. Also known as a dolly shot
A shot in which the camera is pushed horizontally along the ground on a dolly.
A shot which follows the subject through space. Often involves mounting the camera onto a dolly and moving it along dolly track.