What Are Closed Groups

What are closed groups?

A) Small groups that contain four to six people
B) Groups that meet infrequently over the span of a year
C) Groups that are inclusive and topics are based on the vote of its participants
D) Support groups where participants are encouraged to participate, but there is no commitment to a set number of sessions
E) Groups that do not accept new members after the first or second session and generally are limited to eight to twelve individuals