WThe Bosnian language is the standardized variety of Serbo-Croatian mainly used by ethnic Bosniaks. Bosnian is one of three such varieties considered official languages of Bosnia and Herzegovina, along with Croatian and Serbian. It is also an officially recognized minority language in Croatia, Serbia, Montenegro, North Macedonia and Kosovo.
WCroatian is the standardized variety of the Serbo-Croatian language used by Croats, principally in Croatia, Bosnia and Herzegovina, the Serbian province of Vojvodina, and other neighboring countries. It is the official and literary standard of Croatia and one of the official languages of the European Union. Croatian is also one of the official languages of Bosnia and Herzegovina and a recognized minority language in Serbia and neighboring countries.
WThe Declaration on the Common Language was issued in 2017 by a group of intellectuals and NGOs from Croatia, Bosnia and Herzegovina, Montenegro, and Serbia who were working under the banner of a project called "Language and Nationalism". The Declaration states that Croats, Bosniaks, Serbs and Montenegrins have a common standard language of the polycentric type.
WRomani is an Indo-Aryan macrolanguage of the Romani communities. According to Ethnologue, seven varieties of Romani are divergent enough to be considered languages of their own. The largest of these are Vlax Romani, Balkan Romani (600,000), and Sinte Romani (300,000). Some Romani communities speak mixed languages based on the surrounding language with retained Romani-derived vocabulary – these are known by linguists as Para-Romani varieties, rather than dialects of the Romani language itself.
WSerbian is the standardized variety of the Serbo-Croatian language mainly used by Serbs. It is the official and national language of Serbia, one of the three official languages of Bosnia and Herzegovina and co-official in Montenegro and Kosovo. It is a recognized minority language in Croatia, North Macedonia, Romania, Hungary, Slovakia, and the Czech Republic.
WSerbo-Croatian – also called Serbo-Croat, Serbo-Croat-Bosnian (SCB), Bosnian-Croatian-Serbian (BCS), and Bosnian-Croatian-Montenegrin-Serbian (BCMS) – is a South Slavic language and the primary language of Serbia, Croatia, Bosnia and Herzegovina, and Montenegro. It is a pluricentric language with four mutually intelligible standard varieties, namely Serbian, Croatian, Bosnian, and Montenegrin.
WVlax Romani is a dialect group of the Romani language. Vlax Romani varieties are spoken mainly in Southeastern Europe by the Romani people with Vlach ancestry. Vlax Romani can also be referred to as an independent language or as one dialect of the Romani language. Vlax Romani is the second most widely spoken dialect subgroup of the Romani language worldwide, after Balkan Romani.