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When the iPhone Home screen appears, you see a colorful background and two sets of icons, as shown in Figure 2-1.

FIGURE 2-1

One set of icons appears on the dock, which is along the bottom of the screen. The dock contains the Phone, Safari, Messages, and Music app icons by default, though you can swap out one app for another. You can add new apps to populate as many as 10 additional Home screens, for a total of 11 Home screens. The dock appears on every Home screen.

Other icons appear above the dock. (I cover all these icons in Chapter 3.) Different icons appear in this area on each Home screen. You can also nest apps in folders, which gives you the ability to store even more apps on your iPhone, depending on your phone's memory.

Treat the iPhone screen carefully. It is made of glass and will break if an unreasonable amount of force is applied.

The iPhone uses touchscreen technology: When you swipe your finger across the screen or tap it, you’re providing input to the device just as you do to a computer by using a mouse or keyboard. You hear more about the touchscreen in the next task, but for now, go ahead and play with it — really, you can’t hurt anything. Use the pads of your fingertips (not your fingernails) and try the following:

 Tap the Settings icon. The various settings appear, as shown in Figure 2-2. (You read more about these settings throughout this book.) To return to the Home screen, press the Home button or, if you have an iPhone without a Home button, swipe up from the very bottom edge of your screen.

 Swipe a finger from right to left on the Home screen. This action moves you to the next Home screen. The little white dots at the bottom of the screen, above the dock icons, indicate which Home screen is displayed.

 To experience the screen rotation feature, hold the iPhone firmly while turning it sideways. The screen flips to the horizontal (or landscape) orientation, if the app you’re in supports it.To flip the screen back, just turn the device so that it’s short side is up again (portrait mode). Some apps force iPhone to stay in one orientation or the other.FIGURE 2-2

 Drag your finger down from the very top edge of the screen to reveal such items as notifications, reminders, and calendar entries. Drag up from the very bottom edge of the Home screen to hide these items. Then drag up (iPhones with a Home button) or swipe down from the top-right corner to the center (iPhone without a Home button) to display Control Center, which contains commonly used controls and tools.