o0o0o0..itu...
Open tuh artinya org selain member group bisa liat wallnya group, percakapan, n member2nya, trus mo join langsung bisa join
Closed tuh ..org lain bisa lihat, tp klo mo join ga bisa langsung join, harus di accept ama moderatornya group
klo secret.. org ga bisa lihat apa2.. mo join pun harus di accept ama admin group