First let's use a simpler example and that's referencing text that is on a particular page.
To do that click on the text you want to reference and create a bookmark (Insert Cross-Reference, select "Bookmark" as the reference type and "Page number" under "Insert reference to".
Word 2010 includes an easy way to insert image captions and to mark out headings bookmarks, footnotes for referencing.
It could be very handy for huge document when you need to view specified portion instantly.
In the "For which bookmark" list at the bottom of the dialog box select the bookmark that you want to cross-reference to.
Once you're happy with what you have there, click "Insert" and Word will insert the page number at the current cursor location.
Word doesn't treat cross-references like equations in Excel: the program won't update them in real time, causing references that move to display incorrectly.If you add or remove content that causes the referenced item to move, you can update the cross-reference.Do any of the following: Create a cross-reference You can insert cross references to any existing numbered items, headings, bookmarks, footnotes, endnotes, equations, figures, or tables in your document.For inserting Cross-References in Word you need to caption every image.Cross- References would only be inserted, if you have used Word features to insert headings, bookmarks, captions, etc in your document.Update a cross-reference from one page to another Use this procedure if you move the item that you're cross-referencing from one page to another.