A super-glossary is a top-level structure which unifies a
      collection of glossaries from other Oracc projects.  The
      super-glossary project maintains its own glossary, which we call
      the base glossary.  Additional glossaries, which we
      call source glossaries, can then be compared to the
      base glossary to identify entries and senses in the source
      glossary which are not in the base.  Resolving these differences
      is called alignment.
Alignment is done via a special file called a
      map.  The map file is generated by the comparison
      routine and is then edited by hand to determine the means of
      aligning each item: they may be added to the base glossary, or
      they may be considered as equivalent to a differently named
      entry, or differently phrased sense.
A super-glossary is an Oracc project and organizes its files into several conventional named folders (or directories).