This module shows a list of the calendar months containing archived articles. After you have changed the status of an article to archived, this list will be automatically generated. Help
This module displays a list of categories from one parent category. Help
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This Module shows a list of the most recently published and current Articles. Some that are shown may have expired even though they are the most recent. Help
This module allows you to display the articles in a specific category. Help
This Module shows a list of the currently published Articles which have the highest number of page views. Help
Content Modules
Content modules display article and other information from the content component.
User Modules
User modules interact with the user system, allowing users to login, showing who is logged in, and showing the most recently registered users.
Display Modules
These modules display information from components other than content and user. These include weblinks, news feeds and the media manager.
Utility Modules
Utility modules provide useful functionality such as search, syndication, and statistics.
Navigation Modules
Navigation modules help your visitors move through your site and find what they need.
Menus provide your site with structure and help your visitors navigate your site.  Although they are all based on the same menu module, the variety of ways menus are used in the sample data show how flexible this module is.
A menu can range from extremely simple (for example the top menu or the menu for the Australian Parks sample site) to extremely complex (for example the About Joomla! menu with its many levels). They can also be used for other types of presentation such as the site map linked from the "This Site" menu.
Breadcrumbs provide users with information about where they are in a site.