1. Choose a group from the list. 2. In a Group page, click on the "Activity" tab to post a text or image or video. Use the URL link: to share videos and other web links. 3. You can also create galleries of file resources (like pdf's) or images; and you can interact with the group calendar. 4. Interact with other group members in the "Users" tab, and some groups will allow you to invite others.
Select "Join Group" to be a part of the group conversation.