Multi-camera or simply Multicam is a method of filmmaking and video production. Several cameras either film or professional video cameras are employed on the set and simultaneously record or broadcast a scene. It is often contrasted with a single-camera setup, which uses one camera.
A documentary film is a non-fictional motion picture intended to "document reality, primarily for instruction, education, or maintaining a historical record." The documentary has been described as "a filmmaking practice, a cinematic tradition, and mode of audience reception that is continually evolving and is without clear boundaries."