Letter semantic in collection of Hafez’ sonnets

Poetic language of Hafez has formatted with gathering manyelements which one of the most important of these elements isletter applying.                                                                                         Using in a definite time from letters with regarding wideness of meaningand special review of literature that there is in Persian language and alsothe potential which it has during time cause poet to use from semanticextent and applying extent (use) in order to benefit from expression ofidea. So letter applying and identified administrating methods such as :propositions in meaning of Mahazat (front), Mojavezat, Moshabehat(Similarity), Maeiyat (Companionship), and conjunctions in meaning ofFarz(Hypothesis), Foriyat(Urgency), Qasam (Swear). Therefore we hopethat cognition of these methods help researchers to achieving to appear and hidden word and receiving secrets of Hafez’ words.