A team is a group of people working on same activities in order to achieve the same goals.
So that means if a group of people come together but they don’t work on achieving same goals then you cannot call them a team.
You can actually be part of a team when it was created. For instance, when a company is about to start, a new team is created. Let’s say you were called upon to join the company when it was starting, that means you are join a new team.
You can also join an existing team, let’s say a company has started for some years and you are called upon to join the company some years later, that means you are joining an existing team.
You can also be a team member or you can be a team lead. But all the same the team lead is also a member of the team, just that he is responsible for most of the decision making that the team makes.
I will be showing you some tips to work with any team effectively
Tips to work with a team effectively.