A survey of major characteristics in medieval Arabic literature: Description of the bases and foundations of "Adab" literature, such as ancient pre-Islamic Arabic ethos and poetry, emergence and consolidation of Islam, Greek philosophy and Indo-Persian culture (etc.). A consideration of some forces (for example: nomad life and sedentary, Arabs and foreigners) involved in shaping and constructing a rich and diverse literary product, mainly high evolved prose genres of ʿAbbasid caliphate and later times