This paper first briefly reviews the concept of intelligibility as it has been employed in both English as a Lingua Franca (ELF) and world Englishes (WE) research. It then examines the findings of the Lingua Franca Core (LFC), a list of phonological features that empirical research has shown to be important for safeguarding mutual intelligibility…

The purpose of this paper is to present a general overview of the linguistic setting of Arabic. Three main areas are covered. The first of these, diglossia, is defined in general terms and then examined more closely in relation to its historical development in Arabic-speaking countries (i.e., as resulting from geographic, socioeconomic, and…