(n): an event that happens
(n): a brief section of a literary or dramatic work that forms part of a connected series
(n): a self-contained part of a larger composition (written or musical)
(n): a part of a broadcast serial
(n): a radio or television show
(n): film consisting of a succession of related shots that develop a given subject in a movie
(n): photographic material consisting of a base of celluloid covered with a photographic emulsion; used to make negatives or transparencies