This canto takes describes the inner occult dimension of Death as the soul is withdrawn from the body by the power of Death. Savitri aware of Satyavan’s departure follows in the steps of Death despite his scorn and admonition. She persists chasing the soul of Satyavan being carried by Death.
Sri Aurobindo describes the first few steps of the journey after death.
About Savitri | B1C1-21 The Shadow over Earth (pp.9-10)