Re-Order the answers for a hidden message

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Across
  1. 2. expression of the relationship between a part and a whole (2)
  2. 3. application of an idea, belief, or method (8)
  3. 5. commercial organisation (8)
  4. 6. first in a projected series (9)
  5. 8. British clothing, footwear and home products retailer known for its Directory (4)
Down
  1. 1. Manic ______, pop song written by Prince but most famously recorded by the Bangles (6)
  2. 4. TV sitcom starring Donald Glover and Joel McHale (9)
  3. 7. detailed examination of elements (8)