Spanish spoken in Andalusia sounds quite different, to that spoken in Madrid.
To the inexperienced ear it can be hard to understand one region’s spoken Spanish to that of another.
If you know both accents when someone is speaking your language in that “other” twang, you are doing better at communicating.
Obvious. Yet often unnapreciated.
So it’s a thought, as tohow many languages there really are, in the world.