Ключевые слова: abstract, action, answer, arm, arms, artwork, ask, attention, background, backgrounds, basrelief, communicate, communication, concepts, continue, dont, emotion, feeling, finger, fingers, fist, gesture, gestures, gesturing, halt, halted, hand, hands, human, illustration, indicate, indication, isolated, know, knowledge, message, metallic, mosaic, motion, no, nonverbal, painting, palm, part, progress, question, sign, signage, signal, silhouette, silver, simple, skin, statement, stop, stretch, symbol,