Basic human interface elements – iPhone or iPad

List of basic human interface elements: Status bar, Home Screen, Dock and App Switcher

Status bar: At the top of the screen and shows device status information, including the time, signal strength, battery status, and notification icons

Home screen: What you get when you press home button or swipe up from the bottom of the screen. It shows all of the apps and widgets on your iPhone or iPad.

Dock: At the bottom of every Home Screen. It is where you put your most used apps

App Switcher: Allows you to switch back and forth between open apps. Either double press on the home button or swipe up from bottom to the middle to see recently used apps. Swipe between the small app windows and tap on one to open, or swipe up to close.