Using Word 2007 you can easily create an Index page, an alphabetical guide referencing key words you choose throughout your document. First you'll need to tag or mark all key words you want to appear on your index page. When you find a key word you'd like to appear on your index page, select it and then mark it by clicking References Tab, to Index group and click on Mark Entry button and click the Mark Entry button again in the new pop-up screen. Once all keywords are marked you can then insert or create on the last page of your document the Index page: click References Tab, to Index group and click the Insert Index button. You may want to see this for yourself...

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