The phenomenon of al-Badi in between the poetic direction and the rhetorical lesson: When Albadi' is mentioned , the scholars scholars turn to the third science of the sciences of Arabic rhetoric. The rhetoric was contained in the wide range of specific arts within the lesson of rhetoric . This science is different from the other two sciences :semantics and rhetoric . Scholars in rhetoric say that it was mentioned in the study of stylistics without a precise scientific definition of its terms.