They wouldn't give a question that couldn't be answered by every text. It would be really hard for people doing Dickinson to answer that...
Having said that, you could talk about "Letter" and say how she references the world in relation to nature - nature is her community. Communities are interrelated and it is up to the individual as to how they interpret community.
I really don't know what I'm saying haha I just finished doing ANOTHER paper so my mind is going crazy.