The study of the Qur’anic language as a technical term, is one of the fundamentals of comprehending and interpreting Quran, in addition to being a significant, new and unchallenged issue, This issue comprises various subjects as the style of Qur'antc language and its function (giving knowledge or motivating), having one or numerous meanings (semantically), being clear or ambiguous (methodologically) and etc.
In this article, having proposed the introductory matters and clarified the concept of language, the language of Qur'an and its different aspects and the style of salvation discourse has been discussed, The author, reviewing the theories of general and specific custom (‘urf) and its different approaches to the methodology of Qur'anlc language, has examined and discussed them, choosing the theory of centrality of characteristics, based on the essential features of Qur'an. This theory suggests that depending on both deep structure and surface structure of Quranic language, that is its content and geometrical combination, Qur'an has a unique language.
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