Tops & Bottoms
Mousercise- Day 1, Step K- "middling" and movin'

The middle button has 2 different functions.
     When your window is maximized, it restores it down to a mid-size position.
     When your window is mid-sized, it it is a maximizing button.

BEFORE clicking any button you should point, stabilize your mouse, wait for the "tool tip" if you need it, and then carefully move just your pointing finger to make the click.

Point to the middle button, and carefully give it a click.
Repeat this process.  Note, how the tool tip gives you advance warning

Middle size your window, and then practice dragging it to several new locations.

Carefully hover over the window's edge, till you see the image sizing tool.        
  Click on this image and drag in or out to make the window smaller or larger.

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