Nwhat is known as a people experience intimate, long-term, face-to-face association and cooperation.

The correct answer is "Primary Group".

Primary Group is referred as a small social group, wherein the members share a close, private, and enduring relationships. These cluster of people are marked through the concern they have for one another, in shared activities and in the way of life. Examples include one's own family, their childhood buddies, and surprisingly influential social peers.