The (custom) pages can be filled with any content you like and also make it viewable only for members of your club as well as everyone in the world (who know the link). 

This option decides about public view or only internal use. To watch the external-page, hit the blue button at the right side at the pages overview and then logout of ecore.

Hint: For a quick view copy the link to a new tab in your browser and add /p at the end of the URL.