Ключевые слова: 25, abstract, backdrop, background, banner, certificate, concept, copy space, count, date, day, decoration, education, element, empty, flat, grade, green, icon, isolated, kindergarten, label, layout, math, mathematics, number, numbering, object, page, place for text, plastic, ranking, rating, scene, school, sequence, serial, sign, simple, single, singular, splash screen, symbol, timing, toy, twenty fifth, twenty five, wallpaper, yellow,