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.
Arabic is a Central Semitic language, closely related to Aramaic, Hebrew, Ugaritic and Phoenician. Standard Arabic is distinct from and more conservative than all of the spoken varieties, and the two exist in a state known as diglossia, used side-by-side for different societal functions.he Arabic script that is widely used today developed from the Nabataean Kingdomâs writing script. While the Nabataean alphabet and writing system met a great deal of the needs, it did not provide letters or symbols for /t/, /h/, /g/, /z/ and /d/, which were not represented by Aramaic script.