1. To start a private conversation you click on the message icon at the bottom. Or the meesage icon on someones page. (You can also use the moo option tab to send private messgae to someone).
2. Once you click the message icon a compose message box will pop up where you write your message then click send.
3. If they is no problem or no errors your message should send with no problem.
You can use pictures below to see how to send a message .