This is an interesting question. As Mahaodeh said that is the understanding in many other countries, but not Yemen. The Arabic word bunn=bean comes from Ethiopia(possibly Amharic) it means the plant , berry and drink(coffee). In Yemen it is the typical yemeni coffee.If you order bunn Halib it comes with condensed milk. Kaafi is western style coffee, often nescafe. Gishr (qishr) Is the coffee bean skin which, makes a tealike beverage.