Pro enunciative role of metaphor in restoration of communication process in Nima Youshij s letters

Any discourse is the domain of producing and receiving the meaning and different factors involved in the formation of this process. Metaphor is considered as one of meaning creating elements in various types of discourses. This article has adopted a semiotic-semantic approach which takes a look at the function of discourse devices of metaphor in the production process of meaning and the way Nima Youshij communicates in discourse of his letters. By pro enunciative role we mean the use of metaphor as a technique employed by the speaker to highlight a part of the utterance, to impact further on the audience, to support the utterance, to repair the chaotic relations, to cover up emotions, to induce a certain sense to the audience in the discourse. This research is going to denote the role of metaphor in the formation of meaning and cohesion in the discourse; to evaluate the effectiveness of metaphor application and to investigate other functions of metaphor inn the discourse. Therefore, the most important communicative functions of metaphor in Nima's letters have been classified and analyzed.