Ключевые слова: authentic, background, black, blank, brand, branding, business, card, communication, concept, copyspace, correspondence, dark, design, eco, empty, envelope, flat lay, flatlay, gift, holiday, identity, isolated, label, letter, luxury, mail, message, minimal, minimalistic, mockup, mockups, modern, no people, nobody, note, object, office, open, paper, post, postal, red, retro, seal, send, shadows, sunlight, vintage, vip,