The general subject to which the parent element may be seen as pertaining. This element serves the same purpose as the keywords and topic classification elements, but at the data description level. PLEASE NOTE A CHANGE IN USAGE INSTRUCTIONS: The string content of the element now contains the language specific label obtained from the controlled vocabulary. This allows for multiple languages through the repeated entry of the "concept" element. See the high level documentation for a complete description of usage.
<nCubeGrp>
<concept>Income</concept>
</nCubeGrp>
<nCubeGrp>
<concept vocab="LCSH" vocabURI="http://lcweb.loc.gov/catdir/cpso/lcco/lcco.html" source="archive">more experience</concept>
</nCubeGrp>
<var>
<concept>Income</concept>
</var>
<var>
<concept vocab="LCSH" vocabURI="http://lcweb.loc.gov/catdir/cpso/lcco/lcco.html" vocabInstanceURI="http://lcweb.loc.gov/catdir/cpso/lcco#SF311-312" vocabInstanceCodeTerm="SF311-312" source="archive">Draft Horses</concept>
</var>