1 Halftone â the use of black and white in a pattern that is perceived as shades of grey (may be extended also to color images) 2  Polychrome â of multiple colors, the opposite of monochrome. 3  Monochromacy (color blindness)  Selective color â use of monochrome and color selectively within an image.
Aside from Arabic, the Semitic language family includes Hebrew, Aramaic, Maltese, Amharic, Tigrinya, Tigre, Gurage, Geez, Syrica, Akkadian, Phonoecian, Punic, Ugaritic, Nabatean, Amorite and Moabite.
As mentioned above, in nearly all Arabic countries, people use the same written language which is the Modern Standard Arabic (MSA). However, there are some local differences among countries. 1. Calendars. The use of calendars differs from one Arab country to another.