European Portuguese the Portuguese language but also Portuguese culture. Thus, it promotes European Portuguese as a norm for learners. RTP is the Portuguese public television network and also serves as a vehicle for European-Portuguese-providing media content throughout the world. There is a branch of RTP Internacional named RTP África, which serves Lusophone Africa. In estimating the size of the speech community for European Portuguese, one must take into account the consequences of the Portuguese diaspora: immigrant communities located throughout the world in the Americas, Australia, Europe and Africa. European Portuguese European Portuguese (, ), also known as Lusitanian Portuguese (') and Portuguese
Proto-language system of isoglosses which held together dialects which were spoken by various tribes, from which the historically attested Indo-European languages emerged. Proto-language A proto-language, in the tree model of historical linguistics, is a language, usually hypothetical or reconstructed, and usually unattested, from which a number of attested known languages are believed to have descended by evolution, forming a language family. In the strict sense, a proto-language is the most recent common ancestor of a language family, immediately before the family started to diverge into the attested "daughter languages". It is therefore equivalent with the "ancestral language" or "parental language" of