A group of typesetting instructions that may be activated by reference to a name. One instruction replaces many, and may take a meaningful name. A feature of generic coding schemes. For example, a macro call named 'Title' will activate a macro definition of the same name (it may contain instructions to centre the following text, and compose it in 18pt Helvetica typeface). An equivalent feature, termed 'style-sheets', is found in some modern word processors and DTP systems.
A named reference to a macro definition.
A collection of one or more markup tags given a name for use by a macro call in the data stream.
A term used to describe relationships between items in ...