I am learning web design.

He is an expert in graphic design.

She is an expert in interior design.

He is studying the theory of intelligent design.

He bought a new musical instrument.

He bought a new music player.

This incubator is an essential device for protecting the lives of newborns.

There is a treasure storehouse in this town that has been handed down from ancient times.

He found a treasure map.

Mr. Hosako is my best friend.