The Question and Answer section for Emily Dickinson’s Collected Poems is a great resource to ask questions, find answers, and discuss the novel.
The speaker empathizes with the pain of other people. She tries to measure it and compare it to her own. She relates to people through their anguish.
The theme of A Bird Came Down the Walk is the mysteries of nature.
I'm sorry, it is impossible to answer your question without the title of the poem your inquiry refers to, please provide.