Windows Phone 7 features a user interface based on a designed system codename and commonly referred to as Metro. The home screen, called <nowiki>"Start screen", is made up the "Live Tiles"</nowiki> for Windows Phone 7, Tiles are link features and functions, (such as contact and web). Users can add and remove tiles, dynamic, and updates in real-time, its example, the tiles for an email account would display the number message but live updates are weathers.