Published pieces of paper or other material, usually printed on one side and intended to be read unfolded and usually intended to be posted, publicly distributed, or sold. (From Genre Terms: A Thesaurus for Use in Rare Book and Special Collections Cataloguing, 2d ed)
Discussions, descriptions or catalogs of public displays or items representative of a given subject.
A telecommunication system combining the transmission of a document scanned at a transmitter, its reconstruction at a receiving station, and its duplication there by a copier.