<concept/>
Un concept peut contenir d'autres concepts (thesaurus hiérarchique).
dc:dcsv<1>concept, glossary, part ; %Block, %DC ; concept, definition, example, info, note, part, term, title ; term+, (definition | example | note | %DC)*, concept*)@id="xs:ID" @code="xs:string" @audience="xs:string" @css="xs:string" @class="xs:string" @remap="xs:string" @uri="xs:anyURI" @lang="xs:string" @value="xs:string" @role="xs:string" @scheme="xs:string"