A comprehensive representation of the world and our place in it, as is found in religions, is known as a worldview. Cosmogony is the field that studies the origin or creation of the world, while eschatology refers to the science or doctrine of the last things or of the end of the world.
You can use world to describe someone or something that is one of the most important or significant of its kind on earth. China has once again emerged as a world power.
The World Factbook provides basic information on the history, people, government, economy, energy, geography, environment, communications, transportation, military, terrorism, and transnational issues for 258 world entities. Travel the globe with CIA’s World Factbook.
See the world from above with high-resolution satellite imagery, explore 3D terrain and buildings in hundreds of cities, and dive into streets and neighborhoods with Street View's 360°...