By Clicking the Move Up arrow the selected Page will move one row up each time you click it.

By Clicking the Move Down arrow the selected Page will move one row down each time you click it.

By Clicking the Move Left arrow the selected Page will be moved one place to the left (outdented) each time you click it.

By Clicking the Move Right arrow the selected Page will be moved one place to the right (indented) each time you click it.