Ключевые слова: agreement, art, background, blue, board, check, checkbox, checklist, checkmark, choice, clipboard, collection, color, colorful, contour, design, document, element, file, flat, form, icon, illustration, isolated, line, linear, lineart, list, mark, note, notebook, office, outline, paper, pictogram, questionnaire, red, report, sign, single, square, symbol, test, tick, web, white, yes,