The unifying structure is the narration of Dame Scotia hearing the complaints of the "Thrie Estaits" of Scottish society and then offering her encouragement and rebuke to the clergy, nobility, and populace in turn.
The unifying structure is the narration of Dame Scotia in the final twelve chapters. She hears the complaints of her three sons, the "Thrie Estaits" of Scottish society, and then offers her encouragement and rebuke to the clergy, nobility, and populace in turn.