The letter is a part of the African reference alphabet, and the upper-case variant is called African D in the Unicode standard, as it is mainly used by African languages such as Ewe, Fon, Aja, and Bassa.
A letra forma parte do alfabeto africano de referencia, e a variante maiúscula chámase D africano en Unicode, xa que se emprega principalmente en linguas africanas como ewe, fon, aja, e bassa.