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Navigation menus
The global menu helps helps logged-in users navigate your Confluence and holds items such as the Space and People Directories.
The category menu is the main navigation for the Global Site or a Full Site, located at the top of all the site’s pages. The menu follows the content structure you created in the Site Builder using categories.
The global footer applies to all your sites, unless you create one for a specific site.
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Layouts (landing pages)
Aside from Confluence pages, there are other kinds of pages that you can use to help users navigate your sites: site homes, category homes, user dashboards, and space layouts.
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You can also determine whether this site should be the default layout (landing page) for anonymous users, by toggling Start site for anonymous users on or off.