If you wish to add a topic to a forum:On the forum's index page, where you see the list of topics, click the New Topic button.

It is always at the top and the bottom of the list of topics.
A new window will open. Choose a suitable heading or name for your topic and type it in the
Subject box.
You can choose a
message icon using the drop-down box under
Subject.Then type your message in the big box marked
Message.
When you are done, you can check to see what it will look like by clicking
Preview under the body of the message. If you want to change anything, you simply amend the text you have typed in the
Message box.
If you are happy with it, click
Post and it will be posted onto the forum.