Souq often used as in the Grand Socco and Petit Socco of Tangiers. In the sub-continent, a different corruption, 'chowk', is often used in place of souq. The term is often used generically to designate the market in any Western Asian city, but may also be used in Western cities, particularly those with a Muslim community. Documentary sources point to permanent marketplaces in Middle Eastern cities from as early as 550 BCE. A souq was originally an open-air marketplace. Historically, souqs were held outside cities at locations where incoming caravans stopped and merchants displayed their goods for sale. Souqs were established
Wadi Suq culture Dur, Seih Al Harf, Shimal and Kalba show an increasing sophistication in copper and bronze ware as well as trade links both east to the Indus Valley and west to Mesopotamia. Wadi Suq era pottery is also seen as more refined and distinctive, with finds of painted ware common, and the development of soft-stone vessels. Studies of human remains from the period do point to a process of aridification taking place over the centuries contiguous between the Umm Al Nar and Wadi Suq periods, but do not support a sudden or cataclysmic movement or societal change rather a gradual shift