There is a street piano in the park that anyone can play.

Could you give me your contact details?

He is the contact person for our team.

She is good at playing the pianoforte.

The ferry arrived at the port.

He has expert knowledge.

He is studying computer science at a specialized school.

He is a specialist fool, with no interest in anything outside his field.

He couldn't say anything about issues outside of his field of expertise.

There are many different specialty stores in this town.