The Hull is the lower structure one which the ship floats, superstructure is above the hull, such things as deck houses, fittings, anchors, cranes, life boats- would be superstructure as they are above the water line. internal structure there are decks, below-decks and bulkheads ( walk-through walls- some of which can be sealed off for damage/flood control purposes. there you have it matey.
they call their ship SHE
The frame or body of a ship.
The main frame or body of a ship is called the hull. It is the watertight body of a ship that provides structure and buoyancy. The hull determines the ship's stability, strength, and seaworthiness.
a frame of heavy scantling used in ship construction and made by riveting a wide plate to a frame and stiffening the plate by riveting two reverse frames to its inner edge
A stop for a ship is called a port of call. A cruise ship might be said to make a stopover (or port call) at a port of call.
a ship maker.
a ship sinker
a ship maker.
Call at a port.
hull means Body or frame of the ship or plane
It's called the crew of the ship.
The stern is the back end of a ship.