--This is about 105 words
The poet uses strong verbs to create rhythm and to develop the meaning of the poem. They use alliteration. They use it in one-syllable words such as "burn, break, blow." This creates a kind of beat and rhythm in the poem. It also emphasizes the meaning of those words. There was also a lot of "me" in the sonnet. In the line, "Your viceroy in me, me should defend, uses repetition in "me" to emphasize it and to prove a good flow into the next line. This is only a couple of ways in which poets can create rhythm and develop meaning in their poems.
This is math, not English, but okay xD
"Two intersecting lines are perpendicular if and only if they form four 90 degree angles" would be my answer.