Variables
=========

Contents:

.. toctree::
   :maxdepth: 2

   JOB_Variable
   HOROLOG_Variable
   ECODE_Variable
   ETRAP_Variable
   TEST_Variable
   IO_Variable
   STACK_Variable

A variable is, in general, a placeholder for such content as a number, string, or action. Information stored in certain places in a computers memory is tagged to allow easy retrieval, this 'tag' is a variable.