Answer:
The culture of Asia encompasses the collective and diverse customs and traditions of art, architecture, music, literature, lifestyle, philosophy, politics and religion that have been practiced and maintained by the numerous ethnic groups of the continent of Asia since prehistory. Identification of a specific culture of Asia or universal elements among the colossal diversity that has emanated from multiple cultural spheres and three of the four ancient River valley civilizations is complicated. However, the continent is commonly divided into six geographic sub-regions, that are characterized by perceivable commonalities, like culture, religion, language and relative ethnic (racial) homogeneity. These regions are Central Asia, East Asia, North Asia, South Asia, Southeast Asia and West Asia.
However, Asia's enormous size separates the various civilizations by great distances and hostile environments, such as deserts and mountain ranges. Yet by challenging and overcoming these distances, trade and commerce gradually developed a truly universal, Pan-Asian character. Inter-regional trade was the driving and cohesive force, by which cultural elements and ideas spread to the various sub-regions via the vast road network and the many sea routes
