This is the 5386th most frequent Japanese word.
team
A group of people working together toward a common goal.
The word 'team' ('チーム') in this sentence refers to a sports team or a group that competed in a competition.
このチームは昨年優勝しました。
This team won the championship last year.
Here, 'team' ('チーム') is used to denote a group assembled to work collaboratively on a professional task or project.
プロジェクトのために新しい開発チームが結成された。
A new development team was formed for the project.
In this usage, 'team' ('チーム') refers to a group whose shared purpose is enhanced by a leader's influence.