Modules are short (3rd Party) Programs which are mounted into the phpwcms - system. There is a kind of automatic to overtake all rules from outer source into phpwcms.
Be aware of security riscs comming into your system and check the need of them. If not needed, keep them outside your system.

<note> Very recommendable.
Modules from Webrealisierung GmbH http://www.phpwcms-howto.de/wiki/doku.php/3rd-party-modules

• ExData Module
• JW Media Player
• JW Image Rotator
• cmCalendar Module
• GoogleMaps Module
• Catalogue Module
• SocialPlugins Module

</note>

For special techniques (experts) please have a look technics.