Groups (``GRP``)
================

The ability to group objects related by functional or logical criteria. Used, for example to model building systems, such as HVAC (heating, ventilation, and air conditioning) systems; to group assets that have the same maintenance schedule; to group all terminals of a fire-protection system.

.. toctree::

   :titlesonly:

   GRP000_Groups
   GRP001_Acyclic-groups