Well, genre isn't strictly limited to just fiction or nonfiction. It's a broad category. Fiction involves made-up characters and plots, like in fantasy or sci-fi. Nonfiction is based on real people, events, and information, like biographies or history books.
Genre can fall into either fiction or nonfiction. Fiction takes you to invented places and scenarios. Nonfiction keeps you rooted in reality with true accounts and factual information.
Genre can be either fiction or nonfiction. Fiction creates imaginative stories and worlds, while nonfiction presents real events and facts.