Color, defined through: value (how light or dark it appears) hue, how cool or warm it appears, and chroma, how bright or muted it appears. Through these three elements, were developed the four principal groups, palettes called: Spring, Summer, Autumn, and Winter.
jam39vw995.The chine is the hard edge where the side of the boat meets the bottom.
Block - A pulley-like device used on a boat, with a sheave around which a line runs; see photo here of mainsheet block and tackle on a small boat. Boom - The (usually horizontal) spar back from the mast to which the foot of a sail is attached; see photo here.