Most of these folders are hidden by default (e.g., images, blocks, pdf, and doc).
To hide additional folders or pages, follow these steps.
Hide a folder
Select the folder you wish to hide. (In this instance, the folder is “picnic”).
Click the edit tab.
Change the field “Include Folder Contents in Nav” to No, and click the Submit button to save.
Hide a page
Select the page you wish to hide. (In this instance, the page is “index”).
Click the edit tab, and then select Metadata in the blue navigation bar.
In the Custom Metadata section, change the “Include Page in Nav” field to No.
Click the Submit button to save.
Publish the folder above the updated page/folder.