Among the buying and selling are prohibited by law of fiqh is riba. Ribaliterally means additions, growth, rise, and altitude.Riba is the addition of one oftwo similar dressing without dressing of these additions. Not all of the extras isconsidered of riba, because additional sometimes resulting in a trade and it isnotriba there, just that extra termed "riba" and the Qur'an came to explain thelaw, it is the improve and taken for instead of tempo..