In its broadest meaning, the “world” refers to all entities within reality, or everything that exists. The world, in its broadest sense, refers all entities that exist in reality or all of them. According to Theology, the universe is God’s creation. This is the common theme in religions. Cosmogony studies how the universe was created, and Eschatology studies how science or doctrine addresses the end of time.

It is possible to use the word “world” in different contexts. It can refer either to the Earth or the entire history of mankind. World Politics, the discipline of politics that studies issues that transcend continents and countries, is another example.