Ключевые слова: 8, communication, concept, count finger, counting, counting hand, counting numbers, disability, disabled, eight, eight concept, eight number concept, expression, finger counting, finger gesture, gesture, gesture hands, gesturing, hand, hand eight fingers, illness, international day of sign languages, isai, language, mute, nicaragua people, non verbal communication, nonverbal, nonverbal communication, number eight, sign, sign language, sign language hands, symbol, using language sing, visual language,