[TYPO3-mvc] What does "Register Plugins as new content element" mean practically?

[Roland]

Am 07.11.11 15:05, schrieb Roland:
> can someone please explain what that means practically?
>
> http://forge.typo3.org/projects/typo3v4-mvc/wiki/Register_Plugins_as_new_content_element

ok, i guess it only means, that you can insert an extbase extension like 
any other content element... what else? ;-)

sorry!