In Office 2008 for Mac, you can move the cursor around your document without actually even touching the mouse. And if you really want to become a whiz with Word, you’ll want to memorize most or all of the following shortcuts. Here’s a table that shows how to move the cursor around a document using only the keyboard:

To Move. . . Press. . .
One character to the left Left arrow
One character to the right Right arrow
One word to the left Option+left arrow
One word to the right Option+right arrow
One paragraph up Command+up arrow
One paragraph down Command+down arrow
Up one line Up arrow
Down one line Down arrow
To the end of a line Command+right arrow or End
To the beginning of a line Command+left arrow or Home
Up one screen (scrolling) Page Up
Down one screen (scrolling) Page Down
To the top of the next page Command+Page Down
To the top of the previous page Command+Page Up
To the end of a document Command+End
To the beginning of a document Command+Home

To select (highlight) text as you move the cursor using these shortcuts, just hold down the Shift or Command key.