There are two types of pages within Dunked, and each work in a unique manner: Content Pages and Redirect Pages
Content pages display the content that is entered in the page content field. If you are creating an About page, you will create a content page.
Redirect pages will not display content themselves, but instead will link to a page of your choosing. If you wish to link to your Twitter profile, you will create a redirect page with the proper link. If you wish to link to a tag archive page, you will use a redirect page. Redirect pages are a clever way to build out a menu of any kind.