Ключевые слова: alphabet, blackboard, block, board, business, businessman, card, compliance, concept, conceptual, condition, control, cube, custom, design, education, guidance, guide, handwriting, idea, important, information, instruction, isolated, justice, know, knowledge, law, learn, legal, letter, management, message, order, policy, principle, procedure, regulation, reminder, rule, sign, standard, strategy, symbol, term, text, wood, word, writing,