To create a discussion (similar to a new database post in First Class) click the green button at the top that says "Create a Forum".
To reply to a posted discussion (similar to replying to a post in First Class) click on the forum that you want to post in and select the green button at the top that says "Post a Topic"
If a topic has been posted you can just type a reply message in the text box that appears when clicking on the topic.
"I hate OrgSync already."
- James P. Perez
You heard it here first folks. Orgsync sucks