Short answers, pulled from the story.
The language splits into two major areas centered on Benghazi and Bayda for the east, and Tripoli and Misrata for the west. A third distinctive southern variety exists along the border with Niger and centers on Sabha.
This specific southern form has approximately 14,400 speakers located in the country of Niger. It resembles the western variety more closely than the eastern one.
Two historical events fundamentally shaped the dialect including the Hilalian-Sulaimi migration and Arabs fleeing al-Andalus during the Reconquista. These groups moved into the Maghreb region following their defeat while Greek and Italian influences also entered the language.
Berber loanwords represent between 2% and 3% of the total vocabulary. Before mass Arabization, Berber served as the native language for most people in what is now Libya.
Libyan Arabic contains at least three interjectional clicks where the first affirms responses casually and the second signals negative responses like tut. The third click is palatal and used exclusively by women to express meaning similar to alas.