The FORUM is the Messageboard, click on a Topic, or start a new one of your own (Just scroll down to POST, click on it, and start typing!). Think of the forum as a modified Chat Room. We like to get on the Message board while watching a race, that way it's kind of like watching with your friends, only not...
The JOURNAL is for anything at all you want to say (about racing, that is!) Think of it as a Diary.