Communication of thoughts and feelings through a system of arbitrary signals, such as voice sounds, gestures, or written symbols. Such a system as used by a nation, people, or other distinct community; often contrasted with dialect.
A world language is a language spoken internationally which is learned by many people as a second language. A world language is not only characterized by the number of its speakers (native or second language speakers), but also by its geographical distribution, international organizations and in diplomatic relations. In this respect, major world languages are dominated by languages of European origin. The historical reason for this is the period of expansionist European imperialism and colonialism.
major languages are not widely used across several continents, but have had an international significance as the lingua franca of a historical empire. These include Greek in the Hellenistic world after the conquests of Alexander the Great, and in the territories of the Byzantine Empire; Latin in the Roman Empire and previously as the standard liturgical language for the Catholic faithful worldwide; Classical Chinese in East Asia during the Imperial era of Chinese history; Persian during ancient and medieval incarnations of various succeeding Persian Empires, and once served as the second lingua franca of the Islamic World after Arabic.
A lingua franca (or working language, bridge language, vehicular language, unifying language) is a language systematically used to make communication possible between people not sharing a mother tongue, in particular when it is a third language, distinct from both mother tongues. Lingua francas have arisen around the globe throughout human history, sometimes for commercial reasons (so-called "trade languages") but also for diplomatic and administrative convenience, and as a means of exchanging information between scientists and other scholars of different...