Was heißt »Department« auf Englisch?

Das Substantiv »Department« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Synonyme

Tom works in the accounts department of a medium-sized company.
There's a new programmer in our department.
Do you work in this department?
I'm the youngest in my department.
Shirts can be found in the menswear department.
Mary works in the personnel department of a large company.
Mary works in the HR department of a large company.
Mary works in the human resources department of a large company.
The department store also has a stationery department.
Which department do you work in?
She works in the hospital's casualty department.
The police department asked criminal to stop their criminal activities due to COVID-19.
Call the fire department.
Tom hasn't called the fire department yet.
The men's department is on the second floor.
We searched the entire shop for Tom, and found him in the toy department.
The city library has a special department for blind people.
The budget cuts are bound to cause some friction in the department.
My neighbor called the fire department.
Excuse me, do you know where the economics department library is?