The tablet-based menu app aims to replace the conventional menu system. The customers will be able to order meal on tablets. The app will provide the customer with the complete menu offered by the restaurant/hotel. The customers can check description of the menu item and check ratings given by previous customers. The app will also show a large image for better knowledge of the dish, and the cost of the item. The app will also allow the customer to pay by the credit card.

a) Identify all the possible use cases and develop at least 2 of them.