Ключевые слова: alarm clock, apple, arrow, black, blank, blue, board, book, brainstorm, brown, burning, business, communication, computer graphic, crumpled paper, crushed, desk, digital, digitally generated, direction, document, doodle, drawing, earth, education, equipment, flowchart, global, hand drawn, hands, holding, indicating, international, key, map, meeting room, newsflash, office, old fashioned, paper, pattern, pen, pencil, plan, planning, pointing, question marks, retro styled, school, sheets, stack, steam, still life, study, table, tablet, text, vapor, white, wood, wooden, workplace, world wide, writing instrument,