Enclosures of this type, broadly speaking, are defined areas bounded by an earthen bank, a stone wall, or a combination of both, and they appear throughout Ireland in forms that range from prehistoric farmsteads to early medieval ecclesiastical precincts. The term covers a wide range of functions and dates, which is part of what makes any individual example worth pausing over. What enclosed this particular patch of Kerry ground, who built it, and what purpose it served are questions that remain, for now, unanswered in the public record.

The townland name Killeen is itself a small clue worth noting. Derived from the Irish "cillín", the word typically refers to a small church or, in many Irish contexts, an unconsecrated burial ground used historically for unbaptised infants and others excluded from formal Christian burial. Whether the name here reflects a genuine ecclesiastical or funerary association with the enclosure, or simply preserves an older layer of place-name memory unconnected to this particular monument, is not something that can be settled without further investigation. Kerry has a dense concentration of early medieval and prehistoric earthworks, and enclosures in the county have variously proved to be ringforts, cashels (the stone-walled equivalent of an earthen ringfort), and enclosures associated with early church sites, each carrying its own distinct social and historical significance.