"This edition of the Thesaurus contains 2,095 main terms, including 228 geographical terms, as well as 753 nonpostable cross-references. The Thesaurus of Aging Terminology is divided into three sections: Relational Terms, Rotated Terms, and Geographical Terms. The Relational Terms section indicates all levels of relationship among Thesaurus terms. The Rotated Terms section provides an alphabetized columnar listing of all words found within Thesaurus terms. The Geographical Terms section provides a ready reference list of state, province, country, regional, and continent names searchable as Descriptors. Used to index journal articles, books, book chapters, videos, and dissertations cited in the AgeLine Database."