I think the answer is OC because in variable line poetry, the intention is to produce this contrast consciously and to produce a rhythm of shorter and longer lines, like the rhythm of shorter and longer sentences.
I can’t see a picture or anything but here are antonyms for hearken: ignore, tone out
Answer:
Brobdingnagians. The Brobdingnagians symbolize the private, personal, and physical side of humans when examined up close and in great detail.