According to Chapter 37, what are the true meanings of 'death' and 'heaven'?

This chapter redefines the concepts of death and heaven from a spiritual perspective. It explains that what people call 'death' is merely the transition of a form from a manifest state back into the unmanifest. The true 'nooses of death' are not physical but are identified as unrighteousness (Adharma), ignorance, anger, and hatred. To enter the 'heavenly world,' one must cross these internal obstacles. As Chapter 37 clarifies, heaven itself is not a physical location but is equated with the Vairaj, the Cosmic Being. It is a state of being—the Virat Self-form—that is free from mental grief, disease, worry, sorrow, and the fear of death.