A cross-reference is a reference to content elsewhere in a MicrosoftWord document. For example, you can create cross-references for titles, footnotes, bookmarks, captions, numbered paragraphs, and so on. After you create a cross reference, you can change the reference content of the cross reference.
Practice example
Life Equality and Life Tolerance
The famous flowers in the garden are delicate and charming, but they can't last; Plastic flowers are not beautiful, but