You can insert a footnote or endnote in Word from the References tab of the ribbon. Both serve as supplemental information to your document.

Learn how to insert a blank page anywhere in a Microsoft Word document - At the end, At the beginning or In the middle. by following this tutorial.

Large Word documents are often sprinkled with references to information throughout a document. You can enter them manually, but they'll be hard to maintain later. Instead, use this simple technique.