Classical Japanese is a historical form of the Japanese language that was used from the 8th to the 19th century. It is characterized by its complex grammar and vocabulary, which differ significantly from modern Japanese. Classical Japanese was primarily used in literature, poetry, and official documents, making it an important part of Japan's cultural heritage. The language evolved through various periods, including the Heian period, when it flourished in works like The Tale of Genji. Although it is no longer spoken in daily life, Classical Japanese is still studied for its literary significance and to understand historical texts and cultural contexts.