>>>Michel,
>>>
>>>I tried to send a private message. I entered the member's Id in the TO field, and it sends to all instead.
>>
>>Those are still posted publicly. To send a private message, click on the private message icon in the top bar (white paper with red - sign) or locate the member and click on the private message icon (same) under their profile or in any message they've posted.
>
>Ok, so what's the purpose of the TO field?

It addresses a public message (visible to everyone) to an individual member. They will see it in their messages on the left pane.