A Forum is a particular type of Website (or a subset of a website) in which Users can have group discussions by creating Topics? and by replying to exising topics. Oftentimes (and this also what b2evolution offers), users will be given the choice to pa…
A synonym for Comment. In the Blog vocabulary we generally talk about Posts & Comments. In the Forum vocabulary we generally talk about Topics & Replies.
A Topic in a Forum is the equivalent of a Post in a Blog or more generally an Item in a Collection. A Topic is typically created by User asking a question and awaiting Replies.