Books or treatises, often compendious, containing rules or instructions needed to perform tasks, operations, processes, occupations, arts, or studies, and intended to be used as reference while the task or study is performed.

Solemn declarations, written or verbal; usually made orally by a witness under oath in response to interrogation by a lawyer or authorized public official, then reduced to writing for the record.

Engraved, printed, or written expressions requesting a person's company at a certain event at a given time and place.

Written texts of television productions or broadcasts.