The Navigator is a Thumbnail like representation of the entire design that appears in a floating toolbar. It can be used to quickly move around a design while zoomed in.
The Zoomed portion of the canvas is represented in the Navigator window as a shaded square or rectangle. Place your mouse anywhere in this rectangle and drag it to the new location on the canvas.
This process is more convenient than resetting the zoom to full screen, then re-selecting the new area
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