Water
I'm on a boat
Vehicles that move on the water are ships and if they can move below it they are submarines. There are three major things to care about and they are the hull, the propulsion and the steering.
Hull
The hull is the watertight body of a ship. Buoyancy is the force that keep the ship afloat.
monohull
multihull - SWATH
hydrofoils
Propulsion
Water jet - 1960
Propeller - 1800
Paddle wheels - 1700
Oars - 5000BC
Sail - 5000BC
Steering
Rudder
Submarine
Reference
Water interaction model for boats in video games - 2015
SimShip - 2014
Arma 3 Ships Config Guidelines - 2014