Enclosures of this kind are among the most common yet most quietly mysterious features of the Irish countryside. The term covers a broad range of structures, from prehistoric ringforts built as defended farmsteads to medieval ecclesiastical enclosures marking the boundary of an early Christian site. Without knowing which category this example falls into, the shape itself carries a kind of patience, a boundary drawn by people whose names and intentions have not come down to us.

Caurans is a small townland in Mayo, a county where the density of archaeological monuments reflects thousands of years of continuous human activity, much of it still only partially catalogued. The western seaboard landscapes of Connacht were not always the marginal places they can appear today. Enclosures in this region have been associated variously with Early Medieval settlement, with the organisation of agricultural land, and occasionally with ritual or burial activity. Which of these purposes, if any, applies here remains open.