The states Der-ge, Nyarong, Batang, Litang, and the five Hor States???to name the more important districts???are known collectively in Lhasa as Kham, an indefinite term suitable to the Tibetan Government, who are disconcertingly vague over such details as treaties and boundaries.[12] See also the account by the French Abb?? Huc from the middle of the 19th century.[13