Categories are presented in the following format (see Outline
of the Categories of Information):
General topic or group of categories to which the
category belongs, e.g. Origin/Maker.
Name of the category. Boldface type indicate that the category is considered to be core.
The need to relate other information for retrieval (or "linkage") is indicated by an asterisk.
These categories do not correspond necessarily to discrete data elements; they are meant to define
concepts that would be structured as fields acording to the type of system used.
Meaning and scope of the concept(s) covered by the section or category.
Why the category is deemed to be important, including guidelines and conventions where
these have been developed.
Guidelines for vocabulary, authority, and format control. References to relevant sections
of the second edition of the AAT (1994) are included when appropriate, together with cross-refereces
to the first edition (1990). In a few cases ADAG has provided a list of terms.
Specific attributes of the section or category, as follows:
Indication of the category's primary function. (Additionally,
categories that fufill a descriptive function are named to
reflect this function, e.g. Purpose Description and Descriptive
If the category is indicated as decriptive, it is not controlled. If a category is to function as an access point,
the type of control needed is indicated. Options:
Authority-controlled: Subject/Built Works
Authority-controlled: People/Corporate Bodies
Authority-controlled: Geographic Locations
Indication of whether the information is considered core or optional. Options:
Indication of whether there is a need for consistency of format in numeric categories, e.g. dates. Options:
Indication of whether the category may have more than one hierarchial level, e.g. broad/narrow term or name. Options:
Indication of whether the category may be repeated within an entry. Options: