Linguistic customiation in surah Qamar based on the theory of (Jeffrey Leach))

The structure of the language of the Holy Quran is different from the language of other texts in ays and is considered as a standard of the Arabic language. Various factors have made the language of the Quran effective, meaningful and purposeful. This linguistic feature can be observed and proved from different angles. One of these unique features is the feature of purposeful highlighting and highlighting.Which is both in terms of structure and content. Jeffrey Leach's theory was adopted as one of the leading theories in the field of textual highlighting in Surah Qamar. due to its special content and message, full of aberrations and regularities. The result of this research, which was done in a descriptive-analytical manner, was that highlighting in the method of abnormalities and various regularities in order to convey the message to the audience has been widely used in Surah Qamar. In the meantime, syntactic, semantic and lexical aberrations have occurred in it more than other types of abnormalities.