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.

In Joomla, a program that associates a path (URL) with internal Joomla queries. Normally a router contains two methods, build() and parse(). The build() method takes an array of commands and returns a JURI object. The parse() method reverses this and turns a JURI object into an array of commands.