Ключевые слова: accepted, achievement, agreement, board, business, check, checklist, choice, choosing, clipboard, communication, concept, confirm, confirmation, conformity, control, correct, decision, design, document, element, experiment, form, globe, icon, illustration, list, map, mark, message, note, performance, planner, positive, progress, questionnaire, rating, reminder, report, research, result, schedule, sign, success, symbol, task, test, variation, world,