Word 2007 Zoom
This section is Word 2007 Zoom. The Zoom button will open the Zoom window. The zoom window gives you the options to zoom in or out on the document. Play with the options so you can see what each option does. You can always get it back to 100% by clicking on the next button 100%.
The One Page button will let you see the entire page all at once. Two pages button will let you see 2 pages next to each other.
The Page Width button zooms in so the width of the page matches the width of the window.