Description and characterisation of a document's contents with the aid of representations of the concepts contained in it. A name, other than the real or official name, by which a corporate body, place, or thing has come to be known. Typical examples of corporate authors are associations, institutions, business firms, nonprofit organisations, NGOs, governments, government agencies, religious bodies, projects and programmes. UNIT One of the subordinate units into which an item has been divided by the author, publisher, etc. A unit which is not self-contained but nevertheless is registered separately from the generic unit of which it forms a part in order to enable more specific retrieval.
Examples are chapters of books, articles from serials, appendices, etc.
An agent or agency that has exclusive or shared marketing or distribution rights for a bibliographic unit. It usually is a combination of letters, numbers and symbols and may include the organisation's acronym. All copies of one work produced from essentially the same type image, the same original production or the same master copy and issued by the same entity. A re-issue of an earlier issued unit from one master copy, etc. Includes revised editions, draft or preliminary editions, etc.