Instructions: use your text, atlas, power point, and anything else you might need, to answer each of the following questions and define each term. Phonemes are sounds that make up a language. English has between 40 and 50 unique phonemes. The rosetta stone is a tablet that has the same inscription written on it in 3 different scripts. Thomas gallaudet modified french sign language for american students. A lingua franca is a language used by people for purposes of cross-cultural communication or trade. A pidgin is a simplified language that is used by people who speak different languages. A pidgin is usually not that native language of anyone using it and has simple vocabularies and grammar so they can be learned quickly. In haiti people speak french and haitian creole. Creole is a pidgin that is adopted by a group of speakers as its first, or primary, language.