The planet Earth.
A female given name.
The Roman earth goddess, equivalent in the interpretatio graeca to Gaea.
Earth: the Earth (our earth).
The Universe: our universe.
The Developed World (the developed world).
The Industrialized World (the industrialized world).
The Third World (the third world).
The First World (the first world).
Existence.
The Fourth World (the fourth world).
The Second World (the second world).
The Developing World (the developing world).