System Design Screen o Screen standards o Screen flow o Minimum requirement is to design the input screens needed for the WEB online process. The following screens should be included in your design, Login, Order delivery information, Location search, Category look up, Product description page and add to cart, Checkout cart Edit Checkout cart, Payment, Delivery, Final confirmation, The screen design should include in the note section the business requirements for each screen, The application needs to give the illusion that it is working.