Signs around us

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Across
  1. 3. walk a long way, as for pleasure or physical exercise
  2. 4. the state of being silent (as when no one is speaking)
  3. 7. a group of people living together in a camp
  4. 8. knowledge acquired through study or experience or instruction
Down
  1. 1. having a useful function
  2. 2. the act of managing something
  3. 5. the activities of educating or instructing
  4. 6. a message informing of danger