Level in lslpp

Hi,
What is Level column in output of lslpp? Is it the same as version? Thanks.

lslpp -l  xlC.aix61.rte
  Fileset                      Level  State      Description
  ----------------------------------------------------------------------------
Path: /usr/lib/objrepos
  xlC.aix61.rte             12.1.0.0  COMMITTED  IBM XL C++ Runtime for AIX 6.1
                                                 and 7.1

Thanks.

Googling finds this link among others...

Fileset Revision Level Identification (FRLI)

XX.XX.XXXX.XXXX
XX stands for Version (0-2)
XX stands for release (0-2)
XXXX stands for modification (1-4)
XXXX stands for Fix level (1-4)