its a pun, it means that there is no letter U in the word team but they also mean it as teams are not a selfish thing, you work together, the is more than just you in the team.
Depending on context, it could mean "team" or "set".
team spirit means to do best work with team
yes
The team that is lesser or the backups.
No.
Canada hockey team means it is a Canadian hockey team.
what do you mean what team plays in the NFL there are several
I assume you mean receiving? That is when the other team has the ball and are serving it to your team. They are the serving team and you are the receiving team.
team
that is their team name
The team that travels to the opposing home team stadium.
Madden Ultimate Team.