'Token' in the Bible

And Jehovah saith to him, 'Therefore -- of any slayer of Cain sevenfold it is required;' and Jehovah setteth to Cain a token that none finding him doth slay him.

And God saith, 'This is a token of the covenant which I am giving between Me and you, and every living creature that is with you, to generations age-during;

My bow I have given in the cloud, and it hath been for a token of a covenant between Me and the earth;

And God saith unto Noah, 'This is a token of the covenant which I have established between Me and all flesh that is upon the earth.'

and ye have circumcised the flesh of your foreskin, and it hath become a token of a covenant between Me and you.