This content item is used to display the secondary navigation of the website. This is usually displayed on the left or right side of the page. The secondary navigation content will only display if the selected page has secondary navigation content associated with it. In order to use this content item properly, you will need to know the name of the theme Skin to use with it. The out-of-the-box themes are located at C:\Program Files (x86)\ASI\iMIS\Net\App_Themes. See Copying a website theme for more information.
For this content item, you also need to specify the Starting at level. The selected level introduces the secondary navigation, and will not display if the selected page does not contain that level of navigation. After the Starting at level is defined, you must choose a Display level. This level determines the depth of the secondary navigation.