Signs around us

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Across
  1. 4. telling us how to do something
  2. 5. a public display of a message;symbol
  3. 6. a group of people living together in a camp
  4. 8. telling us how and where to go
Down
  1. 1. telling us things we must not do
  2. 2. the state of being silent
  3. 3. telling us things we may want to know
  4. 7. walk a long way, as for pleasure or physical exercise