What is a group of four called?

There are many groups of four that can exist, such as a family unit consisting of two parents and two children, a sports team with four players, or a band with four members. In any group of four, there is typically a balance of different personalities, ideas, and strengths that can lead to a cohesive and successful group dynamic. Communication and collaboration are key to the productivity and effectiveness of any group of four. Each member plays a unique role in contributing to the overall success and well-being of the group.