The red field represents the Blood of Christ.
The white border represents the Protection of God.
The blue "X" represents the Christian Cross of Saint Andrew, the first Disciple of Christ Jesus and Patron Saint of Scotland.
The 13 stars represent the 13 Southern States of Secession.
Thus, the message in the Confederate Battle Flag Is:
"Through the Blood of Christ, with the Protection of God,
We, the Thirteen States, are united in our Christian fight for liberty."