formed by extracting common features from specific 
examples) } <BR>
 <P>
 { state, (the way something is with respect to its main 
attributes; "the current state of knowledge";  <BR>
 <tt> </tt>&nbsp;<tt> </tt>&nbsp;"his state of health"; 
"in a weak financial state") } <BR>
 <P>
 { event, (something that happens at a 
given place and time) } <BR>
 <P>
 { act, human_action, human_activity, (something 
that people do or cause to happen) } <BR>
 <P>
 { group, grouping, (any number 
of entities (members) cons