Analyzing Contrast in Text Structure

Read the following excerpt from a contemporary novel:

"She stood at the edge of the cliff, the winds howling around her, a tempest of memories swirling equally fierce in her mind. Each gust felt like a reminder of lost opportunities, moments she could never reclaim. Below, the waves crashed against the rocks, relentless and unyielding, just like her regrets. It was as if the ocean was calling her to join, to abandon her tethered existence for the embrace of the depths. Yet, a flicker of hope sparked within her—a realization that life, in its chaos, still offered chances for rebirth, for moments yet to come. With a deep breath, she stepped away from the edge."

What structural element does the author primarily utilize to contrast the character's internal conflict with the external setting?