A “public record” includes any writing containing information relating to the conduct of the public’s business prepared, owned, used, or retained in any state or local agency regardless of physical form or characteristics.
A "writing" includes any handwriting, typewriting, printing, photostating, photographing, photocopying, transmitting by electronic mail or facsimile, and every other means of recording upon any tangible thing any form of communication or representation, including letters, words, pictures, sounds or symbols, or combinations thereof, and any record thereby created, regardless of the manner in which the record has been stored.