A group is a place where a community of members can exchange freely around a theme.

Exchanges can be done through :

- publications on an activity wall

- comments and likes on these publications

- instant discussions (chat) or a calendar and creation of events.

The publications can be: text, photos or videos.

The group administrator can define, via filters, the type of members who can join the group and publish (profile type, age, certified, etc.).

The whole purpose of a group is to allow members of the group's community to interact with each other.

If the goal is only to share information, then the desired functionality would be the page.