In reality, the transition from Renaissance to modern sports activities could be seen in a semantic shift; the word measure, which as quickly as connoted a sense of steadiness and proportion, started to refer almost exclusively to numerical measurements. It is unlikely that the 7th-century Islamic conquest of North Africa radically altered the traditional sports activities of the region. As long as wars were fought with bow and arrow, archery contests continued to function demonstrations of prepared prowess. The prophet Muhammad specifically approved horse races, and geography dictated that men race camels in addition to horses. Real property companies sell, make investments, construct and develop properties, together with land, residential homes, and different buildings. Business is the exercise of creating one's dwelling or making money by producing or shopping for and promoting merchandise . Simply put, it's "any activity or enterprise entered into for revenue."