Ключевые слова: app, application, background, blue, box, business, close up, closeup, communication, company, concept, copy space, delivery, digital, drop, editorial, finance and economy, icon, illustrative, illustrative editorial, logo, mail, mailbox, mailing, marketing, mobile, package, package delivery, phone, post, postal, public, screen, service, sign, smartphone, states, street, symbol, technology, transport, united, urban, usa, usps icon, usps logo, usps mobile, usps mobile app, white, work,