World - Wikipedia
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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.
world - Wiktionary, the free dictionary
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“As the world turns, we know the bleakness of winter, the promise of spring, the fullness of summer and the harvest of autumn–the cycle of life is complete.” - quotation attributed to Irna Phillips.