.. _glossary: Terms ===== .. glossary:: MAC address A unique identifier assigned to a device on a network, usually presented as six groups of two-digit hexadecimal numbers, seperated by a colon, e.g. ``d0:73:d5:12:34:56``. The first six digits are a vendor-specific prefix and the remaining six digits are uniquely generated for each device. The LIFX vendor 6-digit prefix is ``d0:73:d5``. reference One or more devices to target when performing a task. See :ref:`interacting with LIFX devices ` for more detail.