契丹大字
Abaoji ordered the development of a Khitan large script in 920. This script looks superficially like Chinese writing, however, it bears little resemblance to Chinese writing, and the two were mutually unintelligible. Five years later, the arrival of a Uyghur delegation led Abaoji to order his younger brother, Yelü Diela, to develop a new script on more syllabic principles. Unlike the Japanese and Koreans, the Khitans managed to adopt the cultural and administrative tool of writing without the baggage of Chinese culture and grammar that came with the wholesale adoption of Chinese characters.