And as they went through the cities - The cities of Syria, Cilicia, etc.
They delivered them - Paul and Silas delivered to the Christians in those cities.
The decrees - τὰ δόγματα ta dogmata. The decrees in regard to the four things specified in Acts 15:20, Acts 15:29. The word translated “decrees” occurs in Luke 2:1, “A decree from Caesar Augustus”; in Acts 17:7 “The decrees of Caesar”; in Ephesians 2:15; and in Colossians 2:14. It properly means a law or edict of a king or legislature. In this instance it Was the decision of the council in a case submitted to it, and implied an obligation on the Christians to submit to that decision, since they had submitted the matter to them. The same principles, also, would be applicable everywhere, and the decision, therefore, at Jerusalem became conclusive. It is probable that a correct and attested copy of the letter Acts 15:23-29 would be sent to the various churches of the Gentiles.
To keep - To obey, or to observe.
That were ordained - Greek: that were adjudged or determined.