http://blogs.sun.com/portal/resource/okcancel20031226-sm.gif Often people ask me what I do for a living. The work of the user experience person includes a wide range of activities including (but not limited to) -

   - gathering requirements from users
   - developing user scenarios  
   - creating storyboards that illustrate how the product will be used in different scenarios  
   - designing the detailed UI flow and the screens   
   - conducting user tests
Read more in my blog entry Purple People Eater.