Descriptors are preferred terms assigned by subject specialists to represent
the content of a source document.
Descriptors - Descriptors from the CAB Thesaurus.
Geographic Location - Country or geographic area discussed in the source
publication.
Organisms Descriptors - Organism descriptors from the CAB Thesaurus.
Broad Descriptors - Higher-level terms from the CAB Thesaurus that are
automatically assigned to records indexed with Organism and Geographic Location
descriptors.
Identifiers - Identifiers are keywords that are non-preferred terms,
and therefore, are not found in the CAB Thesaurus.
Price - For books only, includes price information about the source
publication.
Supplementary Information - For books only, includes, additional information
reported about the source publication.