Ключевые слова: abcd, agreement, background, box, business, check, checkbox, checklist, choice, closeup, concept, data, decisions, document, education, election, exam, experiment, fill, form, idea, list, mark, maybe, medical, office, opinion, option, paper, pen, pencil, politics, question, questionnaire, research, school, selective, sign, solution, symbol, test, tick, vote, voting, white, word,