"謎" (nazo) is a Japanese word that translates to "mystery" or "riddle." It refers to something that is puzzling or difficult to understand. In various cultures, including Japanese, mysteries can be found in literature, folklore, and everyday life, often sparking curiosity and intrigue. In literature, 謎 often appears in detective stories and puzzles, challenging readers to solve them. Famous examples include the works of Edogawa Rampo, a renowned Japanese mystery writer. Mysteries can also be found in traditional games and festivals, where participants engage in solving riddles for fun and entertainment.