1) The document outlines the core requirements for a mobile application that allows users to search for restaurants within a 5km radius, view search results and restaurant information, and get directions. 2) It specifies that the application needs a database to store restaurant and user account information, and a server interface to communicate between the database and mobile apps. 3) The system also requires a web service that allows restaurants to apply for accounts, applications to be accepted by an administrator, restaurants to pay to be listed, and to edit their profiles. It should also include administrator management accounts.