Writing and orthographic rules -the basis of language development

The article is devoted to the description of the history of Uzbek writing. It provides review alphabet on the basis of the Sogdian, the Runic, the Arabic, the Uyghur writings. The author systematically analyzes writing systems of the Uzbek people that were used from ancient times up to date according chronological sequence, gives general review of specific characters of each letters. A huge historical sources of the Central Asia were written in several writing systems and each of them had own evolutional way of prosperity and disappointing. Due to political and social conditions the Uzbek alphabet was changed for 5 times. The influence of Arabic traditional writing to Uzbek writing is described in the article. Sounds and symbols (letters) of the Arabic alphabet are determined. Uzbek sounds are divided, and their peculiarities in writing are shown. Orthographic features of Uzbek writing according the Cyrillic and the Latin are explored ordinarily. The system of orthographic rules and the peculiarities of the group of the letters with the different orthographic features are explored.