Bulgur reaches most export buyers as a single word on a price list. In the country that produces it at scale, it is at least two products with different names, different uses and different customers — and a buyer who orders the wrong one finds out in the test kitchen rather than at goods-in.
What bulgur is
Bulgur is whole wheat that has been parboiled, dried and cracked. The parboiling is the defining step: the grain is cooked before it is broken, so the finished product is partly cooked already and needs only brief cooking or soaking to be ready. That is what separates it from plain cracked wheat, which has never been cooked and behaves entirely differently in the pan.
It is a staple across Türkiye and the wider region, produced industrially, and traded in grades that the domestic market has named for what they are used for.
Coarse and fine are different products
Coarse bulgur — pilavlık in Turkish, literally "for pilaf" — is the larger grade. The pieces are big enough to be cooked and served whole, as a pilaf, a side or the base of a bowl. It holds its shape and gives a nutty, chewy texture.
Fine bulgur — köftelik, "for köfte" — is cracked much smaller. It is not cooked as grain; it is soaked, and the softened pieces bind with other ingredients into a dough. Köfte, kısır and a family of related dishes depend on this binding behaviour, and it only works with the fine grade.
The two are not interchangeable in either direction. Coarse bulgur in a köfte recipe will not bind. Fine bulgur cooked as a pilaf turns to mush. A recipe developer who treats bulgur as one ingredient and orders whatever is offered discovers this the first time the product is tested, which is late.