The Refactor button on each page allows you to delete or rename that page in the wiki.

• Delete - If you delete a page, all references to that page will become dead. You'll see them with [?] following them.
• Rename - If you rename a page, all references to that page will be renamed.
• Move - If you move a page, it will be moved with all it's children. Any references to it or its children will be appropriately modified.