What is a team and why are they important? When does a group of people become a team?

A team is a group of people who come together to collaborate for a common goal. A team is important because a group of people can accomplish things more productively than an individual. A group of people can focus on many different areas at the same time, where if there is only one person, they can only do one thing at a time. I think the difference between group and team, are that teams normally have a common goal. Groups of people could have many different goals or interests. This is why a team has strengths, because they focus on their purpose and how each individual are connected to one another, instead of just being a bunch of people grouped together calling themselves a team. Teams can have members who work by themselves, but for a common goal. A group could be distinguished in a work setting by separating employees into different departments, such as finance, HR, admin team, and more. Groups become teams when they put aside any secondary goals, and work to accomplish the same thing.