Ключевые слова: background, black, blackboard, board, brush, brushstroke, business, chalk, chalkboard, circle, commerce, company, compliance, concept, corporate, crossword, deal, drawing, education, finance, game, green, idea, knowladge, learn, learning, lesson, management, marketing, money, paint, paintbrush, partner, project, puzzle, quiz, reward, school, solution, strategy, study, success, target, teach, team, text, texture, white, word,