re (i.e., what
&gt; &gt; &gt;barely fits this definition, and what just misses?).  There should
&gt; &gt; &gt;be plenty of examples of the full range of entities that fit the
&gt; &gt; &gt;category, and of some that don't, and why not.  Perhaps we want a
&gt; &gt; &gt;second relation like "discussion" where all the issues and subtle
&gt; &gt; &gt;problems with each concept are stored.
&gt; &gt;
&gt; &gt; Yes, Cyc has these extended mini-essays in places, and they are very
&gt; &gt; useful for giving a kind 