be (not) (one's) department

To be one's area of expertise or responsibility. I can't approve expense reports—that's not my department. Car repair is my dad's department, so he should be able to help you out.

Common Names:

Name	Pronounced	Usage
Bedwyr	BED-wir (Welsh)	Welsh, Welsh Mythology, Arthurian Romance
Jadwiga	yahd-VEE-gah	Polish
Terri	TER-ee	English
Maxime	-	French
Salih	-	Arabic
Meagan	MEG-ən	English