Language

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Across
  1. 2. Greatest achievement of man
  2. 3. natural ability
  3. 6. express emotion
  4. 7. basically speech
  5. 8. listening and reading
  6. 12. living language
  7. 14. communicate info
  8. 15. one of a kind
  9. 16. method of learning by speaking
  10. 17. consists of a structure
  11. 19. social convention
Down
  1. 1. product of society
  2. 2. by imitation
  3. 4. method of learning by practicing
  4. 5. graphical representation
  5. 9. main function
  6. 10. language is not just knowledge
  7. 11. cause action
  8. 13. vocal symbols
  9. 18. reflects identity