What's the Central Idea?

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Across
  1. 2. Crunchy deli sandwhiches
  2. 5. Harry of a popular young adult novel
  3. 8. Attack on __________
  4. 9. One-eighties
  5. 12. Pictures and captions, headings, and glossaries, to name a few
  6. 15. An author's particular way of regarding something
  7. 16. "Largemouth" lake animal
  8. 19. To persuade, to inform, to entertain, etc.
  9. 20. It's in the name, for the Man of Steel
  10. 21. Pen
  11. 22. This and a dream can take you anywhere, per Joyce Meyer
Down
  1. 1. One pitied by Mr. T
  2. 3. Slowly sinks, as the sun
  3. 4. Will Carly Rae Jepsen get a call?
  4. 6. the author's message in a work of fiction
  5. 7. the author's main message in a non-fiction text
  6. 10. It's great to be a Florida _________
  7. 11. They're worth 1,000 words
  8. 13. Someone or something that people talk or write about
  9. 14. Add details to a text that support one or more central ideas
  10. 15. 1st or 3rd person, e.g. Not to be confused with perspective, abbr.
  11. 17. The way information is organized in a text
  12. 18. An author's attitude, as shown through their diction or viewpoint