What ads r u talking about
You didn't put the multiple choice.
A. clarity
B. harmony
C. depth
D. zeal
but the answer would be C. depth.
profundity means
deep insight; great depth of knowledge or thought.
-ive is a suffix that turns other words into adjectives. The verb Attract becomes attractive. Similarly to this, Respect can become respective, represent can become representative
Traditionally a sonnet follows the subject of love EX: Italian Sonnet by James DeFord or Sonnet Number 18 by William Shakespeare