As you add pages to your site, they appear in the site's navigation menu and are also stacked in a list found under your Pages tab. Where a page appears on this Pages list directly controls where it appears in the navigation.
The list of pages seen here:
Give the site a navigation menu that looks like this one:
To move a page elsewhere in the navigation list, just click it and drag it wherever you want.
Gives us a menu that looks like this one, with the 'Creations' page moving from the far right of the navigation menu to the right of the "Savory" page.