As is realistic, I think we're settling on having different possible naming systems coexist. Most of them have most of the terms in common though.
![](http://www.taijitu.org/rp/carth-mercator-continents.png)
The above is an old-ish Eluvataran map, a mercator projection centered on Carth, which shows the oceans and continents as the Eluvatarans might see them.