'World' in the Bible

It is a true saying, in which all may put their faith, that Christ Jesus came into the world to give salvation to sinners, of whom I am the chief:

Deacons, in the same way, are to be serious in their behaviour, not false in word, not given to taking much wine or greatly desiring the wealth of this world;

And without argument, great is the secret of religion: He who was seen in the flesh, who was given God's approval in the spirit, was seen by the angels, of whom the good news was given among the nations, in whom the world had faith, who was taken up in glory.

For we came into the world with nothing, and we are not able to take anything out;