This is the 645th most frequent Indonesian word.
arab
The Indonesian word "Arab" refers to Arabs, Arab culture, or something related to Arabia.
In this context, 'Arab' refers to the script used in the writing.
Buku itu ditulis dalam huruf Arab.
The book was written in Arabic script.
Here, 'Arab' refers to a cultural origin, specifically from the Arabian region.
Saya suka mendengarkan musik tradisional dari Arab.
I like listening to traditional music from Arabia.
In this sentence, 'Arab' is part of a proper noun referring to the country Saudi Arabia.