title: Association name direction in UML use case diagram
body: <p>What exactly means the association name direction (painted as a black triangle near the association name) in UML use case diagram? And what's the difference between it and association direction?</p>
  
  <p>Let me paste some link that explains what exactly I'm asking about:</p>
  
  <p><a href="http://docs.google.com/leaf?id=0Bwtg6A48dQQjODBlNTJiNzQtYmE1OC00YmViLTk3ZGEtYjQ1MDYwMDFkZTIz&amp;sort=name&amp;layout=list&amp;num=50" rel="nofollow noreferrer">http://docs.google.com/leaf?id=0Bwtg6A48dQQjODBlNTJiNzQtYmE1OC00YmViLTk3ZGEtYjQ1MDYwMDFkZTIz&amp;sort=name&amp;layout=list&amp;num=50</a></p>