Ключевые слова: 18, abstract, anniversary, business, colored, communication, company, concept, crowd, date, design, development, digit, digit 18, discovery, english, family, friendship, gathering, group, hospitality, humanity, independence, international, mass, meeting, men, nation, number, opening, partnership, people, personality, population, profession, public, sign, society, subscribers, symbol, together, white background, women,