maas - Many years ago, Bud Helms and I worked on a list of abbreviations often found on TFL. Many have added to it over the years and it is a great resource. It is available in the
TFL Library. Here's the link:
http://www.thefiringline.com/library/acro/acron.html
Hope this helps.
-Dave
P.S. There's a shift key next to the 'Z'...