'World' in the Bible

From eternity I was appointed, from the beginning, from before the world existed.

While as yet he had not made the earth, nor the fields, nor the highest part of the dust of the world.

I was rejoicing in His inhabited world,delighting in the human race.

But he does not know that the spirits of the dead are there,And that her guests are [already] in the depths of Sheol (the nether world, the place of the dead).

Whoever brings a fool into the world does so to his grief, and the father of a fool has no joy.

The man of too many friends [chosen indiscriminately] will be broken in pieces and come to ruin,But there is a [true, loving] friend who [is reliable and] sticks closer than a brother.