Ключевые слова: agreement, ballot, box, business, campaign, cartoon illustration, cell phone, check mark, checklist, choice, communication, computer, concept, day, device, digital technology, display, election, electronic, flat design, form, government, hand, icon, internet, isolated, list, marker, mobile phone, online, option, outdoor, poll, president, question, questionary, questionnaire, sign, smart phone, smartphone, social, suggestion, telephone, test, vote, voter, voting, web survey, white screen,