Club

Limiting interaction to the exchange of ideas in areas of common interest / exchange of personal experiences related to interpersonal relationships, with little emphasis placed on physical activities other than walks, which may involve ongoing discussion. Groups of sci-fi fans, role-playing games, political debate / groups held together by discussion or activities related to a common interest / tend to split along Quadra lines when interactions become longer and deeper.

Enjoying conversation about family and personal relationships, artistic and sensory interests such as cooking and gossip, and group social activities such as parties, dancing, travel, and sports / common activities and interests are usually centered on sports, or parties, club activities, etc. depending on the age composition. Tend to split along Quadra lines when interactions become longer and deeper.

Likely to form around shared spiritual, philosophical, artistic, literary, or humanitarian interests. Religious discussion groups, humanitarian and charitable organizations such as NGOs, literary and musical activity groups. The group is held together by discussion or activities related to shared interests. Tend to split along Quadra lines when interactions become longer and deeper.

May be based on discussion and cooperation related to sports activities, or projects involving manual work or engineering / groups of automobile enthusiasts / actively repairing or renovating cars with one's own hands is an important component of the activity. Tend to split along Quadra lines when interactions become longer and deeper.