The place situated at the shore of the sea which connects with land.They work as junction points for trading internationally as in the exchange of modes of transport goods,etc.

It denotes a structure of timber, masinory, cement or other material built along or at an angle to the navigable water way with sufficient depth of water to accomdate vessels and recieve and discharge cargo or passangers.

It is a construction work extending into harbour with sufficient depth of water. Along the side to accomdate vessels also used to landing place for passangers.

It is a small pier usually made of timber for boats or fishing boats but it also refers to larger ships.