When it comes time to add new pages to your WordPress navigation menu, all you need to do is log in to your WordPress dashboard and use the Menu page's graphical interface to add those pages.

How to Create a Subheader Menu in WordPress. The WordPress content management system provides a free framework for building websites and blogs that are easy to update and customize. One important ...

If you're not using Categories with your WordPress sites, you should be. Jack Wallen shows you how to associate Pages to Categories in the new WordPress editor.