.


:




:

































 

 

 

 





(activity) , , . , , . . , , . , do () .

(entry action) , , . , , , , . , , , , , . , .

, entry () .

(exit action) . , . Account , , , . . , . , exit () .

, .

. , account . .

* (Transition) . , . , . . , . , .

. , , , . .





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