Success vs Half Success in xrumer?

Can anybody tell me what's the difference?

I usually count half success as "fail".

Is this the right thing to do?

Also many posts that xrumer think as success is not really successful. Some are waiting for moderation (and why would a moderator approve my kind of posts anyway).

I thought half success means it only registered for the forum, but couldt not get to posting your comment...

Success = Successful forum registration and post to the forum
Half Success = Either a) Successful post to guestbook, blog, etc
and or b) Successful Registration without making a post.