Breakout room puzzle

1234567891011121314151617
Across
  1. 3. Graphics Interchange Format
  2. 4. a puzzle where you have to insert numbers so that there are no duplicates
  3. 6. a proper or reasonable way of thinking about something
  4. 7. a system of words, letters, or figures that are used to substitute specific words or phrases
  5. 8. something that is linked to take you to something else
  6. 14. a coded message
  7. 15. the word that describes minutes, hours, and seconds put together
  8. 16. words or sentences represented by pictures
  9. 17. an indication or suggestion
Down
  1. 1. something you ask
  2. 2. a type of tricky logical question
  3. 4. the background information about a puzzle
  4. 5. something that is used to open a lock
  5. 6. something that opens using a code or key
  6. 9. something that you need to solved
  7. 10. a particular part in a house
  8. 11. to carefully look through all the clues
  9. 12. the correct word phrase or sentence to a question
  10. 13. to break free
  11. 14. piece of evidence