Extemporaneous speaking

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Across
  1. 3. A fundamental truth or proposition
  2. 6. A persuasive technique appealing to emotions and feelings
  3. 8. The persuasive use of language or gestures
  4. 9. A persuasive technique appealing to logic and reason
  5. 10. A clear and logical structure in a speech or argument
  6. 12. The final part of a speech, typically a summary
Down
  1. 1. The act of speaking without preparation or rehearsal
  2. 2. The art of effective communication
  3. 4. A vivid or striking image or description
  4. 5. The ability to understand and share feelings of another
  5. 7. The quality of being convincing or persuasive
  6. 11. A persuasive technique appealing to credibility, trustworthiness, and authority