private settings sample :
Who can see profile
Who can comment
Who can send messages
Who can write in guestbook
Who can see my blog

All Members
Friends
Friends & friends of friends
Male only
Females only
Couples only

We should now that many members need an easy understanding of what to set where and for what it is.

Many members on a community site can register somewhere and write mails and then they need to ask to get further.
We should think for all :-)