Change the site's appearance and configuration.
Look and feel
Change the appearance of the site (name, color, icon, etc.).
See Look and feel
Define some items for new users. Allow attachments or set default language.
See New user
Configure some aspects of the site itself like terms and conditions, email server, type of attachements allowed, etc.
See Site settings
Disk usage, contact and installation
Infomation about disk usage and installation and edition feature for contact information.
See Usage, contact and installation