Greek alphabet - a system of signs used to write the Greek language. Historically derived from the Phoenician alphabet, he in turn gave rise to many alfabetom, best known to the Latin alphabet (via Etruscan alphabet), and Cyrillic.

Arabic alphabet - the letter used to write the Arabic language written from right to left. Has 18 basic character, which completed one, two or three dots to form the 28 letters denoting consonants. Vowels are omitted in written Arabic. Sometimes it only applies stamps vowel (in Arabic and the Koran elementarzach). Currently, the Arabic letters are also used in languages: Persian, Urdu, Malay, Swahili, and by 1929, it also saved the Turkish language.