Options:
Turn on Mission Control: This option turns on and turns off Mission Control and all features.
Show the windows preview in full size: In Mission Control, the thumbnail previews of windows from the same app are grouped together. By hovering the mouse over these thumbnails and scrolling up, the thumbnail is slightly enlarged. Turn on this option to show the previews in real size.
Turn on graphic effect: When you run or quit Mission Control, a zoom or minimize effect appears. You can use this option to turn on or turn off this graphic effect.