English as a lingua franca English as a lingua franca English as a lingua franca (ELF) is the use of the English language as "a common means of communication for speakers of different first languages". ELF is also "defined functionally by its use in intercultural communication rather than formally by its reference to native-speaker norms" whereas English as a foreign language aims at meeting native speaker norms and gives prominence to native speaker cultural aspects. While lingua francas have been used for centuries, what makes ELF a novel phenomenon is the extent to which it is used – both functionally and geographically. A typical ELF
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'