Ключевые слова: 2019, 2020, abstract, background, banner, box, business, businessman, calendar, card, celebrate, celebration, check, checkbox, checklist, choice, christmas, complete, concept, decoration, design, eve, greeting, happy, holiday, idea, illustration, list, management, mark, new, office, party, person, plan, productive, questionnaire, reminder, schedule, sign, success, survey, task, test, texture, tick, to do, winter, work, year,