Acrylic brush - synthetic brushes, the mix of fibres is specially made for use with acrylic colour. Balance - the correct weight and shape of a handle in relationship to the weight of the brush head.
Sable filaments have excellent bellies, which result in well shaped round brushes.
Blunt - a hair which is missing its natural tip. Finest quality brushes, do not contain blunts or trimmed hairs. Bright - often Short flat, a chisel ended, square headed bristle brush. Bright was a painter. Bristle - coarse strong hog hair used for oil colour brushes.