Requirements for a 'Closed or Secret' Group page on Facebook

Here is a list of minimal requirements required for a Closed or Secret Group Page on Facebook:

1 People interested in joining the group.
2 Access to the internet.
3 PC or Mobile Phone or other equipment that has internet available.
4 Facebook Account.
5 Members who are willing to act as Admin to monitor the Group Page and to Approve New Members to the Group.