This Technical Report deals with terms that are in common use in computer-assisted publishing (i.e. text entry, text editing, typesetting and other typographical imaging, and printing and publishing insofar as they are relevant) and identifies the relationships among the terms.It deals with terms used in the principal applications of text and office systems in publishing, notably in computer-assisted typesetting. It defines terms used in typesetting instructions, and in the description of equipment used.A number of terms in current use have survived from an earlier period in which the production processes associated with publishing were manual or mechanical, and are not entirely appropriate to processes that are computer-assisted. Such terms are marked as deprecated for current use.A number of definitions given in ISO 2382, Data processing - Vocabulary , are repeated here for convenience; their source is indicated.