What is the difference of invited by and added by on a Facebook closed group?

[Michelle]

Soo I'm on Facebook and I invited my friend to be part of this closed group of drummers from my high school. I looked under the list of members and it says invited by but not added by . Does that mean he's not part of the group?? I mean when someone makes a status update in the group it will say it was seen by him and the other drummers. So he can see our stuff. But that one part throws me off . What is the difference of it saying added by and invited by on the group thing????

[Tigger]

If you sent an invitation, your friend hasn't accepted the invitation yet.

If your friend sent a request, a moderator has to approve your friend for the group. For instance, you would check the little box that says your friend is now part of the group.

[Daniel]

There the Same Thing Invited By and Added By Is The Person Who Added you to the Closed Group