Originally Posted by
sohuda
standard arabic (fus7a) is ancient, it was spoken before the Holy Quran and prophet Mohammad, however it is still understood, because books are written using it, and in school it is used when teachers explain lessons, and it is used in formal meetings (like conferences and such), so everyone understands, and we read the Holy Quran in standard arabic, not each in their own dialect!
btw each gulf country has their own dialect, in fact every Arabic country has its own dialect, it could be close to their own neighboring countries but it's still different.
I hope that answers your question.