1. The problem asks: What is a civilisation? 2. A civilisation is a complex human society characterized by the development of cities, social stratification, a form of government, and symbolic systems of communication such as writing. 3. Important features of a civilisation include organized institutions, cultural achievements, economic systems, and technological advancements. 4. Civilisations often have shared customs, laws, and a collective identity that distinguishes them from other groups. 5. In summary, a civilisation is a large-scale society with structured social, political, and cultural systems that enable people to live and work together in an organized way.