The Thesaurus contains two types of terms: Descriptors and Entry terms.
Descriptors are terms that describe a subject matter. Under each descriptor, the following annotations may appear: Definition, Broader Terms, Narrower Terms and Related Terms.
Broader term entries denote a hierarchical link and indicate one or several larger-scope descriptors encompassing the chosen descriptor. Only one-level-higher terms are noted.
Narrower term entries denote a hierarchical link and indicate one or several more specific descriptors encompassed by the chosen descriptor. Only one-level-lower terms are noted.
Related term entries clarify the scope of the descriptor (i.e. they provide further definition), and/or alert the user to other terms that may provide additional points of reference.
Entry terms pinpoint which descriptor(s) is/are to be selected by means of the annotation "SEE". Entry terms can be:
To search the Thesaurus, please fill in the 'Search term' field; the entered strings must be at least 3 characters long. The descriptors containing the searched token will be shown for further selection.
To browse the Thesaurus, please click on the underlined annotations.