This tool is called the "enables" window for lack of a better name.  It allows you to select an agent to be displayed.  In the picture the "test activator" agent was selected (in the middle).  Any inputs or outputs for that agent are displayed in the upper left and lower right respectively.  A checkbox next to each agent quickly shows whether the agent, its inputs, or ourputs are currently enabled.  This window allows you to quickly enable and disable portions of your configuration.
 
Revised: 13 August 1999