• headingA preferred name or term. Types of headings include proper name headings (which may be called identifiers), subject headings, and terms. A heading may include a qualifier.
  • hierarchical relationship. A relationship between or among terms in a controlled vocabulary that depicts broader (generic) to narrower (specific) or whole-part relationships; begins with the words broader term (BT), or narrower term (NT).
  • hierarchyBroader (generic) to narrower (specific) or whole-part relationships, which are generally indicated in a controlled vocabulary through codes or indentation. See also broader term; narrower term.
  • history noteA note in a term record in a controlled vocabulary that provides the date of entry of a term as well as the history of modifications to its scope, relationships, etc.
  • homographOne of two or more words that have the same spelling, but different meanings and origins. In controlled vocabularies, homographs are generally distinguished by qualifiers.
  • HTMLA markup language used to describe the layout and presentation of a document on the World Wide Web.
  • hyperlinkA method of using embedded links to connect different parts of a content object to one another.