Tap once to capitalize the next letter you type. Double-tap for all caps.

Tap to switch to the numbers and symbols keyboard that also includes graphics, such as faces and images.

Tap to enter a space.

Tap to create a new line in the message field.

Tap to delete the previous character.

Tap to use the voice input function. You can also touch and hold this icon to enter text by handwriting, access Clip Tray, and access Settings. The icon displayed changes depending on the function you used last.