special uses of “rā” in some of persian texts

the different uses and meanings of “rā” have been repeatedly discussed in grammatical books and articles. some of grammarians know it as an indicator and some others know it as a preposition. there have been brought some other meanings for it in traditional grammar books such as: allocation, assistance, argument, description, agreement and concordance. seven uses of “rā” would be analyzed in present article: “rā” as a sign of direct and indirect object, “rā” as a preposition, “rā” as a possesive, “rā” as a junction or disjunction preposition, “rā” for emphasis, “rā” with subject, and “rā” with passive verbs. each of the above uses has been discussed through the attitudes of different grammarians with several references to the persian literary works, and finally, some new examples and new discussions would be offered by the author.   .