SORT A LAYOUT by Date, Title, or Manually - ascending or descending. To define a Sort Order, click More Actions [1], then the Sort Action [2] to open the Sorting Panel.
If you select Manually, all the sub-pages will have a nudge up/down button in the File Manager [3]. Note that a jump means an absolute move, not a relative one.
Understanding The Manual Sorting Mechanism
Think of all the sub-pages as if they were pieces on a checkerboard: if you move a piece one square upwards and then want to move the piece behind it ahead, you must move the second piece three times [one to reach the original position of the first one, two to reach the current position of the first one, and three to get past it].
If you hover the mouse over the up/down buttons for a list item, a tooltip will tell you its absolute position in the sort order.
