Ключевые слова: advertise, background, blank, book, booklet, brochure, business, card, design, document, empty, flip, flyer, fold, isolated, layout, leaflet, letter, marketing, message, mock up, mockup, note, office, open, pad, page, pamphlet, paper, presentation, print, promotion, publication, sample, space, spread, template, text, threefold, trifold, white, zigzag,