Once a guest is registered with the site they become General Members of the site, and they can post new Article/question threads or reply to existing threads in the forum, they can participate in the option polls in the forums, and if the forum permissions allow they can create polls. And they can subscribe to any discussion so that they get alerts, when someone replies to that thread. And users can post threads and lock them so that others can only view them but cannot reply. Apart from discussions members are allowed to send and receive private messages with other members in the site. The more posts the user make their ranking the site goes higher.
