The context of a rhetorical act, made up at a minimum of a rhetor, which is a speaker or writer, with an issue of a speech or a written to a audience.
Trees fall in winter,
So the birds refuse to sing,
This is treacherous.
A setting can influence a lot the story because it can provide the tone of your story and it can also offer the background symbolism and it can transform the premise and the potential of the whole story. The thing is that the setting can give a lot of posibilities and pose interest on the readers.