The first screen of information displayed when a smartphone or tablet is started. Also called the "home page" and "main menu," it typically displays a group of icons that are clicked or tapped to activate applications and internal functions. See home button
and main menu
An iPhone Home Screen
Call it the "home screen," "home page" or "main menu," this is what appears when an iPhone is turned on. Home screens are not identical because users rearrange icons as they please.