An overview of Ra Radif in Sa di's odes

Radif which is an element of musical elements and completes and confirms the implication, has its special origination in Persian poem. The element which is usually located in noun and verb, has also been located in article in some poems of some Persian literature poets. Analysis of several meanings of “Ra” as grammatical structure in Sa’di’s odes, reveals some untold which can be beneficial in universalizing the structural point. In the current paper, which has been carried out through analytical-library method; nineteen odes of Sa’di’s containing Radif of “Ra” have been investigated in accordance with the explanations mentioned in five different grammars through conceptual and structural views. The most important finding of the paper, in addition to determination of the frequency of different types of “Ra” as Radif in Sa’di’s odes; declares that meanwhile discovering some grammatical problems and rule differences, other samples of “Ra” can be found which have stayed away of the sight of clear-sighted people and Persian grammarians.