[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] sample scenario sender sequence diagram 2nd software software architecture software product line specification standard arrays state state diagram STEP testing technique stratified stratified sample Stress testing subclass substate superclass superstate SW-CMM synchronize system system tester |