DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   diagram
       n 1: a drawing intended to explain how something works; a
            drawing showing the relation between the parts
       v 1: make a schematic or technical drawing of that shows
            interactions among variables or how something is
            constructed [syn: diagram, plot]