which is also a sword - A symbol for the Emperor Constantine, and
his successors, because he called the ecumenical council which began the
process of thinking that resulted in this creed, because he was the first
Christian emperor and because he began the tradition of imperial
Christianity. The cross is central here because the doctrine of Christ is
central in the Creed.
The Green Triangle and the Three symbols with it - The doctrine of the Trinity formalized in the Nicene Creed.
The Hand Reaching Down - God the Father.
The CHI RHO Monogram - Christ - the first two letters of the Greek word for Christ, used by Constantine on shields and helmets of his army.
The Dove - The Holy Spirit.
The Crowns - The rule and glory of God.