What is the difference between the title and the article headline?
In ZOOLU you can define whether you want to use a page or a folder as navigation item (set the option "show in navigation" in the Function area). When you check "show in navigation" on a page the title will be displayed in the navigation. Enter a Article headline if you want to use a different headline for the page then the title of the navigation.
If you use a folder as navigation item the folder title will be displayed. To edit the Article headline click on the start-page (the first page in a folder - marked with a star).