Words matter

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Across
  1. 3. the manner in which something is greeted or the speech act of continuing a conversational exchange
  2. 5. important in effect or meaning
  3. 7. the place where something begins, where it springs into being
  4. 8. a complex entity constructed of many parts
Down
  1. 1. a particular aspect of life or activity
  2. 2. stated explicitly or in detail
  3. 4. the actions and activities assigned to or required or expected of a person or group
  4. 5. one of several parts or pieces that fit with others to constitute a whole object
  5. 6. a belief that can guide behaviour or an organised system of accepted knowledge
  6. 8. having the same or alike characteristics