Smart pad (multi-finger touch pad) is a kind of NB input device.
It's different from traditional touchpad, because it can support multi-finger gesture to let user interact with their notebook system more intuitively.
Please refer to the following animation for detail smart pad functions.
This function is enabled when the finger moving on touchpad device.
Left and right buttons are as same as those of traditional mouse.
e.g. scroll, and zoon, etc., totaling 6 selected functions.