In this chapter, we've covered the magic of Joomla extensions. You've learned that there are three types of extensions: components (the big ones), modules (the medium ones), and plugins (the small ones). The Joomla core already contains several components, modules, and plugins.

If you need any functionality that's not built into the basic Joomla core, you'll very likely find it in the JED. To add a third-party extension to your website, you download it from the Web and install it. Some extensions can even be installed directly from the Joomla administrative interface. After the installation, you can adjust it in the backend and activate it (enable it, in Joomla terms).

Language files allow you to set the default language for the frontend and the backend of the site. In the frontend, this will translate all preset texts (such as Read more and Written by) to a language of your choice. Using language overrides, you can replace default pieces of text with your own texts.

Now that you've...