Classical Mongolian is a historical form of the Mongolian language that was used primarily from the 13th to the 19th centuries. It is characterized by its use of the Mongolian script, which was derived from the Uighur script. This language played a significant role in the administration and culture of the Mongol Empire and later influenced literature and religious texts. The language is notable for its rich vocabulary and complex grammar, which includes various suffixes and prefixes. Classical Mongolian was used in official documents, poetry, and historical records, reflecting the cultural and political life of the Mongolian people during its time.