Format

      DEFINE  CONTEXT context-name

              [ DESCRIPTION IS /*text*/ ]   [ AUDIT IS /*text*/ ]

              BASE_PARTITION IS partition-name

              [ TOP IS collection-name ]

              [                       {SPECIFIC_VERSION  } ]
              [ DEFAULT_ATTACHMENT IS {LATEST_CHECKIN    } ] .
              [                       {LATEST            } ]
              [                       {                  } ]