Vessel (category, anything that floats an can steer) .. Boat (near shore) (can f

Vessel (category, anything that floats an can steer)
.. Boat (near shore) (can fit inside a larger vessel)
.. .. Ship (seas) (passengers, cargo, can’t fit inside a larger vessel)
–“As a general rule, you can put a boat on a ship, but you can’t put a ship on a boat.”–