Scholars generally agree on several key traits that define a society as a civilisation:
: Systems for administering territories, enforcing laws, and managing resources. civilisation
: The development of symbolic communication, such as writing systems, to track taxes, laws, and history. Scholars generally agree on several key traits that
: The application of practical sciences and tools—from ancient irrigation to modern AI—to solve complex problems. Modern Perspectives and Challenges such as writing systems
: The presence of large population centers that serve as hubs for trade and culture.