Based on the text, what is the nature of Karma and how does it function?

Chapter 47 explains that the law of Karma is exceptionally deep and difficult for anyone to fully comprehend. It is portrayed as a rule so profound that even the highly learned can be deceived by its workings, while the ignorant who possess strong faith may be saved. The text warns that this divine rule is hard to cross and that committing great sins leads directly to a birth that corresponds exactly to one's past actions. As stated in Chapter 47, 'As the action, so the hearing,' which means our subsequent lives and forms are directly shaped by the deeds and consciousness we cultivate in our present life, highlighting the inescapable nature of Karma.