The Free On-line Dictionary of Computing (30 December 2018):
configuration management
    A discipline applying technical and
   administrative controls to identifying, documentating and
   reporting on configuration items, their physical and functional
   characteristics and changes to characteristics of those
   configuration items.
   Change management is one aspect of configuration management but
   may also refer to the softer, human side of getting people to
   adapt to changing processes and organisation.
   Source code management or "code management" is configuration
   management applied to code through the various stages of the
   software life-cycle.
   (2014-01-21)