Page Options — Support —

Parent PageYou can arrange your pages in hierarchies by selecting a top level page for your other pages. Pages that are under a parent page are called child pages. For example, you could have an “About” parent page that has “Life Story” and “My Dogs” child pages under it. Under “My Dogs” you might have another page titled “Rosco”. The URLs might look like this:

Source: Page Options — Support —