The Discussion board is time and location independent communications tool that can be used to facilitate text-based discussion within a Subject or Community site. Discussion boards can be made available to the whole class or can be restricted to the members of a Group. The Discussion Board tool can be used to create self-contained discussion topics (Forums). Forums are organised into threads (conversations within a topic) Messages are posted by adding a new thread or replying to an existing posting and can be collected together for easy viewing.
Some popular uses of Discussion Boards are:
An additional medium for collaboration and the exchange of ideas.
A medium to pose questions about assignments, readings, and subject content.
A way to demonstrate the understanding or application of subject material.
A record of discussion that members can review at a later point.
A graded activity that demonstrates understanding or application of subject material.