Macbeth is fearful about hearing the witches prediction about his future because killing the king was considered sinful so therefore he would be a sinner however he was excited about the prediction of his future because he would be a king meaning he would gain power.
I don't remember anything about an "extended metaphor," but the poem's main focus is to remind herself that while she loves the earthly comforts of her house and all her material things... it is important to not over-love them and instead think of all the spiritual rewards that are awaiting her in heaven.
Answer:
Stanza, enjambment, caseura, imagery, dactylic meter, voice, rhythm, symbolism, allegory
