Ключевые слова: adult, analyzing, business, census, check, checklist, citizen, clipboard, collection, community, concept, crowd, data, design, document, education, family, figure, finance, flat, global, graphic, group, icon, illustration, image, information, internet, isolated, note, office, online, organization, paper, people, person, population, questionnaire, registration, report, research, set, sign, silhouette, social, statistics, symbol, web,