Definition of Advanced Icons:
(Advanced Users) This allows you to add "Apache Handlers".
The Image Manager allows you to view and modify images in your account.
The Index Manager allows you to customize the way a directory will be viewed on the web.
This allows you to create Custom Error Pages.
(Advanced Users) This allows you to create cron jobs and ajust cron timings.
FrontPage Extensions allow you to publish your site directly from the FrontPage application. This means that you will not have to upload files through FTP or another method.
This allows you to do Domain Lookups and Trace Routes.
This is to submit a Support Ticket for problems that are above your skill level and relating to the server
(Advanced Users) This allows you to add mime types for files so that a browser will know what to do with them.