Welcome to our forum John

You're doing good, don't worry about it.
If you want to start a new conversation, on a new topic, click on the "New Topic" button at the right side of the screen, just bellow the rotating pictures.
If you want to reply to an existing topic, click on the reply button, on the topic you want to reply to.
Play around with the buttons - nothing will be saved/sent unless you specifically press a "yes, please do this" button.
If you have any more questions - well, Kim, xlineknight and me are here to help.