Complex sentence: Waka (lit. "Japanese poem") or "uta" (song) is a major genre of Japanese literature and a term created in the Heian period to distinguish Japanese-language poetry from "kanshi", poetry written in Chinese by Japanese authors.
Split into simpler sentences: Waka (lit. "Japanese poem") or "uta" (song) is an important genre of Japanese literature. The term originated in the Heian period to distinguish Japanese-language poetry from "kanshi", poetry written in Chinese by Japanese authors.