Where is rainy mountain and why does momaday return there?

answer: the first one

explanation:

explicitly is defined as “in a clear and detailed manner, leaving no room for confusion or doubt.” the rest are interpretive and not clearly proven leaving in fact possible “confusion or doubt” which explicitly, by definition cannot have.

what school do you go to

like the quality of being tru in or appropriate for all situations. existence or prevalence everywhere, universal character or range of knowledge.

that's what i think it mean to me.