Professional crossword

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Across
  1. 2. A space that separates words in the design.
  2. 5. A reference book used to check spelling.
  3. 8. Used to fill in the final answers permanently.
  4. 9. Tool for correcting mistakes while solving.
Down
  1. 1. Used for temporary marks before finalizing.
  2. 3. Words placed horizontally in the layout.
  3. 4. The primary objective of the pastime.
  4. 5. Words placed vertically in the layout.
  5. 6. A hint provided to solve a square.
  6. 7. The network of squares used for the puzzle.