Furthermore, a citadel has a wall that’s high and wide, covered with plaster. This is the seventh essential with which a king’s frontier citadel is well provided, to defend those within and repel those outside.

With these seven essentials a citadel is well provided.

What are the four kinds of sustenance it gets when needed, without trouble or difficulty?

Firstly, a king’s frontier citadel has much hay, wood, and water stored up for the enjoyment, relief, and comfort of those within and to repel those outside.

Furthermore, a king’s frontier citadel has much rice and barley stored up for those within.

Furthermore, a king’s frontier citadel has much food such as sesame, green gram, and black gram stored up for those within.

Furthermore, a king’s frontier citadel has much medicine— ghee, butter, oil, honey, molasses, and salt—stored up for the enjoyment, relief, and comfort of those within and to repel those outside.

These are the four kinds of sustenance it gets when needed, without trouble or difficulty.