West African Pidgin English the river systems into the West African interior because of its value as a trade language among Africans of different tribes. Later in its history, this useful trading language was adopted as a native language by new communities of Africans and mixed-race people living in coastal slave trading bases such as James Island, Bunce Island, Elmina Castle, Cape Coast Castle and Anomabu. At that point, it became a creole language. Some scholars call this language "West African Pidgin English" to emphasize its role as a lingua franca pidgin used for trading. Others call it "Guinea Coast Creole English" to emphasize
Mixed language it is a matter of controversy whether the concept of a mixed language can meaningfully be distinguished from the contact phenomena of certain languages from the type of contact and borrowing seen in all languages. Scholars debate to what extent language mixture can be distinguished from other mechanisms such as code-switching, substrata, or lexical borrowing. Other terms used in linguistics for the concept of a mixed language include "hybrid language", "contact language", and "fusion language"; in older usage, 'jargon' was sometimes used in this sense. In some linguists' usage, creoles and pidgins are types of mixed languages, whereas in others'