So that what you are saying is not disregarded due to bias and sole opinion
'Buddy' is the correct spelling.
The best and most correct answer among the choices provided by your question is the second choice.
The sound techniques that are used in the poem is "<span>While the water was gently dripping, by my window, in the nipping November air."</span>
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Metaphor is a figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable while a simile is <span>a figure of speech involving the comparison of one thing with another thing of a different kind, used to make a description more emphatic or vivid. Examples for Metaphor; "Franklin has a heart of gold." or "I'm gonna hit the hay." Examples for Simile; "He is as quiet as a mouse." or "He eats like a pig."</span>