Lingua franca and other scholars of different nationalities. The term is taken from the medieval Mediterranean Lingua Franca, a Romance-based pidgin language used by European merchants and sailors during the 2nd millennium. A world language – a language spoken internationally and learned and spoken by a large number of people – is a language that may function as a global lingua franca. Lingua Franca refers to any language used for communication between people who do not share a native language. It can refer to hybrid languages such as pidgins and creoles used for communication between language groups. It can also refer to
Communication protocol how it is to be implemented. Communication protocols have to be agreed upon by the parties involved. To reach agreement, a protocol may be developed into a technical standard. A programming language describes the same for computations, so there is a close analogy between protocols and programming languages: "protocols are to communication what programming languages are to computations". Multiple protocols often describe different aspects of a single communication. A group of protocols designed to work together are known as a protocol suite; when implemented in software they are a protocol stack. Internet communication protocols are published by the Internet Engineering