Put simply a content management system helps you manage the content on a website. I know you could have guessed that from the title.
Joomla! is one of the most powerful Content Management Systems on the planet. It is used all over the world for everything from simple websites to complex corporate applications. Joomla is easy to install, is simple to manage, and reliable, and offers the perfect balance of power, flexibility and ease of use. It is Open Source and free. In this, the first in a series of introductory articles we try to answer some of the most Frequently Asked Questions we get asked when we first tell people about Joomla.