A nested quotation is a quotation that is encapsulated inside another quotation, forming a hierarchy with multiple levels. When focusing on a certain quotation, one must interpret it within its scope. Nested quotation can be used in literature (as in nested narration), speech, and computer science (as in "meta"-statements that refer to other statements as strings). Nested quotation can be very confusing until evaluated carefully and until each quotation level is put into perspective.