Ключевые слова: abstract, achievement, alphabet, blackboard, board, build, business, care, chalk, chalkboard, change, concept, conceptual, design, develop, development, draw, education, evolution, evolve, fun, future, game, goal, grow, growth, idea, illustration, improve, improvement, inspiration, inspire, life, light, motivate, motivation, opportunity, play, sign, solution, solve, strategy, succeed, success, switch, white, word, world,