This is a culture-specific system of communication by means of environmental differences. It is a strategy of processing experience, and storing and speeding information by means of real objects. Secondly, alphabet writing, is a conventionalized and iconic strategy for storing and speeding information in the form of visual representation of language. It represents the set of constraints, including the structure of the language, and the conventionalized use of symbolism. This development is considered to be the origin of literacy.
Literacy is said to be the prerequisite of civilization.
Moreover, it is common to identify literacy with civilization. Phonetic alphabets are technology for homogenization of cultures. In a culture, both standardizing and separating tendencies are in progress at all times. To maintain the culture as a single unit, the equilibrum between these tendencies is needed. In case the striving for freedom of some cultural aspect or social group be uncontrollable by the authorities, a relative equilibrum is gained by the use of some other homogenizing strategies.