Each topic consists of a number of messages posted by visitors. Posts These are the messages posted by the visitors. Usually a person posts a message, and then another person posts a reply, and so on. Any person can post a message, either a reply to post, or start a new Topic. Anyone can use the discussion forum.
Any person can start a topic, or post a reply to a message.
But you must first register. It is easy and free. That is so we know who is posting the messages. You can use the Discussion Forum as much as you like. Both members and guests can use the Discussion Forums.