> I haven't looked at the graphics yet; however, I wanted to mention an
> easy example of a graphic that was helpful. This particular graphic was
> on a systems thinking page and had the general hierarchy of topics
> indicated in visible frames with arrows pointing to sub-topics or
> related categories.
I should say "arrows pointing to groups of sub-topics or related
categories."
The address for the graphic I mentioned is
http://pespmc1.vub.ac.be/Default.html
The graphic map is not visible right at the top of the information.
-- Have a nice day John Paul Fullerton jpf6745@acs.tamu.edu