Languages are a tool of communication and through time there has been many covering the same areas, or people from different areas have bartered or travelled. Thus, some people know several different languages and have brought the use of these to their homelands. So, some languages cover the same areas and these sections will describe Languages of the Realm.
They are by many Scholars classified into various groups such as Greater ones having covered or covering as good as all of The Realm, Regional ones having covered or covering various regional areas, and Common tongues for each Country, each having a myriad of local dialects.
In the above map where Realmish is widely used throughout the Realm you also see , , and being marked. Of course, this is a rule with exceptions as there are people in these areas who can’t use the languages and there’s people elsewhere being the rare individual, able to use the language.