enlarge (up)on (something)

To add or supply more information or details about something. I can see you aren't familiar with this material yet, so allow me to briefly enlarge upon it for you. I asked the boss to enlarge on the details of the proposal for me.

Common Names:

Name	Pronounced	Usage
Eitan	-	Hebrew, Biblical Hebrew
Septimius	-	Ancient Roman
Seosamh	SHO-sav	Irish
Rabi'a	-	Arabic
Branimir	-	Croatian, Serbian, Bulgarian, Slovene
Vitya	-	Russian