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
Sawsan	-	Arabic
Jolanta	yaw-LAHN-tah (Polish)	Polish, Lithuanian
Eleni	e-LEN-ee	Greek
AfËRdita	ah-fər-DEET-ah	Albanian
Christi	KRIS-tee	English
ÈRic	-	Catalan