There are five key components to animating a layer in After Effects. Fortunately, Adobe put these properties at your fingertips.
Press A to Twirl down the Anchor Point.
Press P to Twirl down the Position.
Press R to Twirl down the Rotation.
Press S to Twirl down the Scale.
Press T to Twirl down the Opacity. (Think transparency.)
The following modifier keys also come in handy.
Hold down the Shift key to display additional properties after selecting the first.
Hold down the Option key to display a property and add a keyframe at the Current Time Indicator. On a PC, hold down Alt+Shift+ the shortcut letter (A, P, R, S or T) to achieve the same action.