Ключевые слова: abstract, add, add friend, add icon, avatar, black, button, communication, community, concept, discussion, forum, friend, friends, friendship, graphic, group of people, handshake, icon, icons, illustration, interface icons, internet, leader, location, member, network, people, people icons, people silhouette, people talking, people together, pictogram, profile, sign, silhouette, social, social network icons, speech, symbol, teamwork, thumbs up, users, white,