Official language to the government in their native languages. In countries that do not formally designate an official language, a "de facto" national language usually evolves. English is the most common official language, with recognized status in 51 countries. Arabic, French, and Spanish are also widely recognized. An official language that is also an indigenous language is called "endoglossic", one that is not indigenous is "exoglossic". An instance is Nigeria which has three endoglossic official languages. By this the country aims to protect the indigenous languages although at the same time recognising the English language as its lingua franca. Around 500 BC,
Language Management become official language in certain meetings, teleconferences, or video conferences. This poses obvious questions of language management. How are workers educated in a new language for work in the case that English is not an official language of the country where they find themselves assigned? What is the pertinence of imposing a foreign language on workers in a company, in the measure of usage of this language as part of their competence and effect on their productivity. What is the economic equation to resolve between, on one had, the benefits (which may be more important) teased away for the internationalization