) > The Collection Description Terms 2013-06-26 2013-08-20: added missing VES, CDType. Item Type The nature or genre of the content of one or more items within the collection. Item Format The media type, physical or digital, of one or more items within the collection. Date Items Created A range of dates over which the individual items within the collection were created. Is Located At A location where the collection is held. Is Accessed Via A service that provides access to the items within the collection. Catalogue or Index 目录或索引的集合。 Associated Collection A second collection that is associated with the current collection. Described Collection A collection that is described by the current collection. Collection Description Accrual Method Vocabulary A set of methods by which items are added to a collection. Collection Description Frequency Vocabulary A set of frequencies with which a repeatable event occurs.. The Collection Description Frequency Vocabulary is based on the set of codes used for publication frequency in the MARC 21 Concise Format for Holdings Data. Collection Description Accrual Policy Vocabulary A set of policies governing the addition of items are added to a collection. Collection Description Type Vocabulary A set of types of collection description. Recordkeeping Metadata Schema Extension to ISO8601 Instances of this datatype are dates or periods of time represented as literals according to the rules specified in Recordkeeping Metadata Schema Extension to ISO8601.