Ключевые слова: abstract, black, border, business, circle, clean, communication, community, concept, connect, connected, connection, connections, connectivity, contact, design, emblem, filled, flat, free, friendship, global, group, hub, icon, illustration, internet, isolated, line, media, mobile, network, networking, object, people, png, share, sign, social, symbol, system, team, teamwork, technology, transparent,