The document outlines four main models of contemporary societies: Western society, Oriental society, Muslim society, and African society. Western society predominates in Europe, America, and Australia, and is linked to Greek, Roman, Jewish, and Christian influences. Oriental society is centered in Asia and relates to ancient Hindu, Buddhist, and Confucian cultures. Muslim society is predominant in North Africa and Western Asia and linked to Islam. African society exists mainly south of the Sahara Desert and incorporates many tribal cultures and indigenous languages.