Ключевые слова: abc, background, banner, bind, blackboard, blank, blankness, blog, board, border, chalk, chalkboard, color, communication, computer, concept, design, education, frame, global, homepage, http, icon, information, internet, join, label, lacunae, letter, link, message, net, network, page, pattern, plank, school, schoolroom, sign, swap, symbol, tag, teaching, technique, technology, text, texture, web, website, word, write, www,