Web Browser                                                                                            this is a text                                                                                                                                                   
                                                                                                                                                                                                                                                                                                 
                                               idle                                                                   Proc.                                                                Waiting                                                                                               
                                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                                 
                         Web User                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                 
                                                                                                            Waiting                                                                                                                                                                            ok
                                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                                 
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