Such features range from formal walled gardens and ornamental ponds to ha-has, ice houses, and carefully positioned tree belts, each element intended to compose a particular view or serve a practical purpose within an aesthetic scheme.

Beyond its classification, the available detail on the Rookwood feature is sparse, which is itself a kind of information. Many designed landscapes across Ireland were laid out during the eighteenth and nineteenth centuries, often by landlords drawing on fashionable English or continental ideas about the relationship between a house and its surroundings. Some were ambitious and well documented; others were modest interventions that survive only as earthworks, mature trees, or a faint irregularity in the field pattern, long separated from the household that gave them meaning.