Hull Is The Inside or bottom(?), and deck is the top. other than that i thinks its just called a boat. My best answer would be hull.
bow
The main part of the boat that you walk on is called The deck. Usually known to have the best view on the boat.
The top part of a tornado is called "the top"
upper deck
Yes the 'bow' is the front of the boat and the back of the boat is called the 'stern'. bow is in the front its the ponity part of the boat, the stern is all of the back of the boat.
The top part of a shoe is called the upper
The top part of a fraction is the numerator; the bottom part is the denominator.
The front part of a boat or a ship is called bow.
The bottom of a car
Denominator. The top part is called the numerator.
The top part of a stalk would be the terminal bud or leaf.