sentences:  Bow shapes include the "bow" (convex curve), "destroyer" or "vertical" (near vertical), and "knuckle" or "raked" (angled straight to the water line).Stern shapes include "raked aft" or "counter" (slight outward angle), "straight" (up and down), "reverse angle" (sloping downward from the deck).As to sheer, traditional yachts have the deck follow a curve below an imaginary straight line from stem (top of bow) to stern.