Puzzle #7

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Across
  1. 2. A big cat, Panthera leo, native to Africa, India and formerly much of Europe.
  2. 3. A flat surface with markings for playing a board game.
  3. 4. Help; assistance; succor, relief.
  4. 6. A sequence of states representing an encoded message in a communication channel.
  5. 9. In a tight manner.
  6. 10. A collimated stream, spurt or flow of liquid or gas from a pressurized container, an engine, etc.
Down
  1. 1. The combination of circumstances at a given moment; a state of affairs.
  2. 5. To wish, desire.
  3. 7. A point of uncertainty; a query.
  4. 8. A soft, fatty foodstuff made by churning the cream of milk (generally cow's milk).