According to Chapter 38, what is the significance of Annadan (food donation), and why is it considered the highest form of charity?

Chapter 38 of the Sai Satcharitra elevates Annadan, or food donation, to the highest form of merit and conduct. The text explains that in the Kali age, charity is the primary means of spiritual progress, and Annadan is the "merit among merits." Its significance stems from the fundamental nature of food itself, which is described as the form of Para-Brahman, the Supreme Reality from which all beings are born and by which they are sustained. Chapter 38 emphasizes that understanding the pangs of hunger in others as you would in yourself makes one a truly good person. It further states that other donations are incomplete without the donation of food, comparing it to a necklace without its central pendant.