Editor A user level on a Joomla site that by default can access only the front end. Editors have privileges to post and edit content, but no permission for publishing content.
Backend The control panel that administrators use to manage the content, appearance and functionality of the site. Access to the back end is typically restricted to higher level users, such as publishers, administrators, and super users.
Banner A core Joomla component that allows you to display and manage web banners on your Joomla site.