A overriding purpose of grace
I believe that there are covenants that can be classified as a “covenant of grace“, but I cannot hold biblically to an actual covenant of Grace, since it is not revealed in scripture explicitly and clearly. I am OK with using the description “covenant of grace” to denote God’s gracious purpose over all covenants as well. God does have a “purpose of grace.” John Zens talks about this in: Is There A “Covenant Of Grace?” see also www.disciplemaking.net