Answer:
- They express the irritation the speaker feels about the heat.
Step-by-step explanation:
The speaker sounds entirely frantic to escape this heat.
Words like "rend" and "cut" are solid and even brutal. She needs the breeze to diminish the warmth to "wears out"— essentially, to shreds, to fragments of nothing.
The speaker's diction sounds brutal. There's a great deal of consonance including extreme sounding letters—Rs and Ts are everywhere in this short stanza ("rend," "heat," "cut," "apart," "tatters").