A long (in time and space) moving camera shot. Originally required tracks to be laid down, hence the name; nowadays is often achieved by SteadiCam.
A Tracking Shot is often used as an Establishing Shot; it's also essential to the Walk and Talk. Related to Object-Tracking Shot and Epic Tracking Shot.
Super-Trope of Conveyor Belt Video (the camera continuously tracks to one side, creating the illusion of filming on a conveyor belt).
