This article studies the basic themes and subjects related to discursive genres and literary genres which include: 1. The recurrent genre of speech acts which is the source of producing speech in similar situations; 2.any speech that depends on certain genre(s)in a way that it is impossible for poets to create their totally independent genres; 3. writers and poets can’t create their works except by benefiting some literary genres, although creativity is always a crucial item in their works; 4. In modern literary theories, the dynamic nature of literary genres is emphasized up to the point that it may cause its death; 5.a specific text or speech might be related to some or several genres; 6. Literary and discursive genres do not limit themselves to categorization but they possess an interpretive function and make a link between the speaker and the addressee
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