Ключевые слова: ballot, balloting, blank, box, businessman, campaign, candidate, choice, confidential, container, decision, democracy, elect, election, envelope, flat, government, hand, human, insert, internet, isometric, laptop, mail, man, mobile, online, paper, people, political, politics, poll, polling, president, presidential, put, putting, referendum, registration, screen, sign, suggestion, system, vote, voter, voting, web, website, white,