What is the spiritual definition of 'death' and the 'nooses of death' as explained in the text?

According to the teachings in Chapter 37, the common understanding of death is simply the transition of something from its manifest state back into the unmanifest. The text goes on to define the true spiritual obstacles, calling them the 'nooses of death.' These are identified as adharma (unrighteousness), ignorance, anger, and hatred. Chapter 37 explains that one who can entirely cross beyond these nooses is the one who truly enters the heavenly world, transcending the cycle of worldly existence.