What does 'it is finished' mean in the context of Christ's work?

The phrase 'it is finished,' uttered by Christ on the cross (John 19:30), signifies the completion of the redemptive work necessary for salvation. It indicates that all requirements for atonement were fully met through Christ’s sacrifice, thus fulfilling the covenant of grace. This means that believers are secured in their salvation; it does not rely on personal effort or continued obedience but solely on the finished work of Christ, who bore our sins and reconciled us to the Father. This declaration is foundational, illustrating that Christ’s redemptive work is not a mere offer but an accomplished reality for the elect.