In this dialog, you can configure your menus.
Because most of the attributes are language dependend, you can configure each language version different.
The menus name is for example used for displaying navigations structures, sitemaps...
The Unique URL is a feature introduced with BIGACE 2.4. It allows you to configure a system wide unique identifier, so your page is accessable (only if .htaccess is activated!) through a even more SEO friendly URL. Lets say you configured "index.html" as Unique URL. Then this page is accessable by a URL like http://www.yourdomain.com/index.html.
This feature is also known as Permalink.
Enter any catchwords (or TAGS) you like to remember this page. Catchwords are searchable and are displayed by some templates.
The description of your page is shown in the default search formular. The information is also often displayed in templates.
Whether this menu is shown in navigations, sitemaps and search results. There are some dialogs where this page is still shown, like the administration or menu select popup used for selecting links in the editor.