When you run any ARDELA app/proble, it will preserve the output so that you can examine the output later – without running the probe again.
ARDELA is an interpreter that uses an AI engine based around the computer language; Prolog. It has the capability to do goal seeking and be very rigorous and complete in the way it works. ARDELA stands for ARchitectural DEsign LAnguage
TAD comes with a set of ARDELA probes (think of it as Chrome extensions for Chrome; or Android Apps for Android) . You can easily plugin additional probes into TAD to give additional functionality into your copy of TAD
See also: Class Ardela Editor | Object Ardela editor