Suppose you have a story on first page whose remaining parts are given in page 5. In such situation linking area maps will help your reader to read the entire story in just one click.
You have to enter the area map id of next area map on “Next Map ID” field of “Edit area map” dialog box.
Every area map has a unique id which you can find it when you click on “Edit” button of any area map.
Here is the output