Forum

A discussion area with topic threads.

Wiki

A facility for community knowledge creation, sharing and maintenace.

Event

A description of the time, location and purpose of some event.

Resources...

File

Uploaded content such as PowerPoint presentations, PDF documents, etc.

Image

Photographs, screenshots,  etc., or links to image sharing sites.

Video 

Movies, or links to video sharing sites.

More content...

Book 

Pages that have been created and are maintained by an editor to give information to the community.

Group

Group information and facilities.

Poll

Polls to seek feedback from the community.