The third planet of the Solar System; the world upon which humans live.
The personification of the Earth or earth, (chiefly) as a fertile woman or (religion) goddess.
The Third World (the third world).
The Universe: our universe.
The Developed World (the developed world).
The Industrialized World (the industrialized world).
The First World (the first world).
Existence.
The Fourth World (the fourth world).
Earth: the Earth (our earth).
The Second World (the second world).
The Developing World (the developing world).