Notify crossword

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Across
  1. 2. A direction for words entered horizontally.
  2. 4. A piece of evidence that guides to a solution.
  3. 7. A single character used to build words.
  4. 8. The pattern of squares used for word puzzles.
  5. 10. A direction for words entered vertically.
Down
  1. 1. A common tool for filling out paper puzzles.
  2. 3. A person who enjoys working on these puzzles.
  3. 5. Something used to correct a mistaken answer.
  4. 6. The color of squares that cannot be used.
  5. 9. A statement explaining the word to be found.