What is the significance of Annadan (food donation) as explained in Chapter 38?

According to Chapter 38, Annadan, or food donation, is presented as the highest virtue and the foremost among all deeds, particularly for the Kali age. The chapter emphasizes that 'charity is the highest secret for quenching hunger.' It elevates food to a divine status, stating that 'Food is the form of Para-Brahman (the Supreme Reality)' from which all beings are born and by which they survive. The text strongly admonishes turning away a guest without offering food, claiming it invites one's own downfall. The chapter concludes that other forms of donation are incomplete without food donation, comparing it to a necklace being incomplete without its pendant.