Movie Terminology Glossary: GMPAA indicating that a film is suitable for all ages. See also PG.
On the web: MPAA Ratings Explanation
The head of the electrical department, responsible for the design and execution of the lighting plan for a production. Early films used mostly natural light, which stagehands controlled with large tent cloths using long poles called gaffs (stagehands were often beached sailors or longshoremen, and a gaff is a type of boom on a sailing ship). In 16th Century English, the term "gaffer" denoted a man who was the head of any organized group of laborers.
A mechanical engine which produces electricity from fuel (usually diesel). Frequently used for location shooting, either due to the unavailability or insufficient quantities of electricity locally available.
take of a scene not used in a movie, usually because of an on-camera mistake made by the cast or crew. Also see out-take
A form of animation similar to stop motion, but which incorporates motion blur. Ordinary stop motion cannot produce motion blur as motion only occurs between frames. Robotic models that are moved during the exposure of each frame produce motion blur, and thus are more realistic. Pioneered by Industrial Light and Magic for Dragonslayer.
bluescreen, however utilizing a key green background. Research showed that substantially better results could be gained by filming on green instead of blue, as effects stock was more sensitive to separating key green from other (foreground) colors. See also chromakeying.
crew who procures, places, and maintains any vegetation on a set.
production equipment on the set. Their typical duties involve camera movement, lighting refinement, and mechanical rigging. In the UK, grips work exclusively with equipment that the camera is mounted on. Contrast with swing gang, see also key grip.