This dialog appears when you click Insert > Page Panel on the menu bar. It helps you to create a page panel. See the dialog.
The following are details about the options in the dialog:
Keep Current Page Setting
Specifies to create a new page panel with the current page settings.
Use New Page Setting
Opens the Page Setup dialog to create a new page panel with new page settings.
OK
Accepts all changes and closes the dialog.
Cancel
Does not retain any changes and closes the dialog.
Help
Displays this help document.