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
English as a second or foreign language native languages. The many acronyms and abbreviations used in the field of English teaching and learning may be confusing and the following technical definitions may have their currency contested upon various grounds. The precise usage, including the different use of the terms ESL and ESOL in different countries, is described below. These terms are most commonly used in relation to teaching and learning English as a second language, but they may also be used in relation to demographic information. English language teaching (ELT) is a widely used teacher-centered term, as in the English language teaching divisions of large publishing houses,