'Word' in the Bible

But it is not as though the word of God has come to nothing. For they are not all Israel, that are of Israel.

For this is a word of promise, "At the appointed time I will come, and Sarah will have a son."

But what does it say? "The word is near you, in your mouth, and in your heart;" that is, the word of faith, which we preach:

So faith comes by hearing, and hearing by the word of God.

For I will not dare to speak of any things except those which Christ worked through me, for the obedience of the Gentiles, by word and deed,