In this chapter, we've covered the magic of Joomla! extensions:
If you need any functionality that's not built into the basic Joomla! core you'll very likely find it in the Joomla! Extension Directory (JED). The JED lists very many extensions, but there are many more extension portal sites and developer sites.
There are three types of extensions: components (the big ones), modules (the medium ones), and plugins (the small ones). Components have their separate menu item in the backend of your site; the other extensions are found through the Extensions menu.
The Joomla! core already contains several components, modules, and plugins. You'll find an overview browsing the Components and Extensions menu of the Joomla! backend.
To add a third-party extension to your website, you download it from the Web and install it. When it's installed, you can adjust the extension in the backend and activate it (enable it, in Joomla! terms).
Some extensions enhance the frontend of your site; they provide...