Two-finger tapping - Use two fingers to tap the touchpad.This action simulates the click on the scroll wheel of a mouse.
Three-finger tapping - Use three fingers to tap the touchpad.This action mimics the right-click function of a mouse.
Two-finger rotating- Fix one fingertip on the touchpad and make an arc with the other to rotate the photo or the document you are viewing. You can make a clockwise or counterclockwise rotation based on your needs.