2.04.510 [Rule 48] Contents of Writings. Recordings and Photographs: Definitions
(a) "Writings" and "recordings" consist of letters, words, numbers or their equivalent, set down by handwriting, typewriting, printing, photocopying, photographing, magnetic impulse, mechanical or electronic recording or other forms of data compilation.
(b) "Photographs" include still photographs, x-ray films, video tapes, and motion pictures.
(c) An "original" of a written or recording is the best thing itself, or any counterpart intended to have the same effect by a person executing or issuing it. An "original" photograph includes the negative or any print. If data is stored in a computer or similar device, any printout or other output readable by sight, shown to reflect the data accurately is an original.
(d) "Duplicate" is a counterpart produced by the same impression as the original, or from the same matrix, or by means of photography including enlargements and miniatures, or by mechanical or electronic re-recordings, or by chemical reproduction, or by other equivalent technique which reproduces the original.