Setting up [[concepts:zones]]:
  * [[new_zone]]
  * [[new_showzone]]
  * [[zone_flowcondition]]
  * [[zone_resetconditions]]

Setting up [[concepts:variables]]:
  * [[new_variable]]
  * [[trigger_add]]
  * [[trigger_arm]]
  * [[trigger_clear]]

Manipulating zones and variables:
  * [[set]]
  * [[increment]]
  * [[history]]
  * [[zone_timerstart]]
  * [[zone_timerstart|zone_timerpause]]
  * [[zone_timerstart|zone_timerresume]]
  * [[zone_timerstart|zone_timerstop]]

Branching based on variables:
  * [[select]]
  * [[select_max]]
  * [[select_max|select_min]]