Use_case_scenarios.
example Cancel_purchase_order.
example Loan_refusal.
explanation http://en.wikipedia.org/wiki/User_scenario
graphic use_case_driving.jpg
graphic use_case_shopping.gif
is_part_of UML.
Use case diagrams, UCD http://www.andrew.cmu.edu/course/90-754/umlucdfaq.html#multisystem
   
 
Vr.156, July 2011     Readme      List of Objects ..