Q2) Alice Registration System | | | opens page | |----------------->| | | | fills form | |----------------->| | | | submits form | |----------------->| | | | checks email | |----------------->| | | | email not in use | |<-----------------| | | | creates account | |<-----------------| | | | sends email | |<-----------------| | | | receives email | |----------------->| | | | clicks link | |----------------->| | | | verifies link | |----------------->| | | | activates account| |<-----------------| | | | displays message | |<-----------------| | | | can log in | |<-----------------| Q3) Customer | |--- Browse Products | | | |--- Add to Cart | |--- Remove from Cart | |--- Proceed to Checkout | | | |--- Make Payment | | | |--- View Order History | |--- Contact Customer Support