Most use same front and back.
BLUE
Port and starboard running light and stern light.
Properly, it is a white light, and elevated higher than the red/green lights on the front of the boat.
The transom is the stern end of a boat, where you mount the outboard motor on a small boat.
Most people use light colors, generally white, since boats are always outside and exposed to sunlight and white absorbs the least light / heat. The darker the color, the more light / heat get absorbed.
yellow
In that the Stern is a noun referring to the back end of the boat, there's no way around it: longitudinal objects including boats all have two ends and, if they move in a predictable manner, one end is bound to front front (bow) and the other back (stern).
he is in the laboratory in slateport that has many boats and near the bazaar
White
The front of a ship is the Bow. The rear of a ship is the Stern. This is the same for small boats as well.
I believe you are thinking of a "rudder" Some boats typically of Asian design are indeed propelled by one stern-mounted oar. Rowing a dinghy or boat in this manner is called "Sculling".