Ключевые слова: abstract, background, biometric, business, button, cartoon, control, data, design, finger, fingerprint, fingers, flat, hand, handful, human, icon, id, identity, illustration, indentification, indentified, indentify, index, isolated, logo, mark, minimal, minimalistic, nail, outline, perception, press, pressing, print, safety, scan, scanning, security, sense, sensing, sensor, sign, sketch, symbol, system, tactile, taction, technology, thumb, touch, touching, touchpad, touchscreen, track, white,