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 early medieval ringforts used as farmsteads to ceremonial or boundary enclosures of much greater antiquity, and without excavation or detailed survey it is often impossible to say with confidence which category a given example belongs to. That ambiguity is part of what makes them worth paying attention to.

Ballinorig as a place-name likely derives from the Irish, though the precise etymology can shift depending on local usage and orthographic history. Kerry is extraordinarily dense with earthwork archaeology, a reflection of both the intensity of early settlement in the region and the relative survival of features in areas where later intensive tillage was less common. An enclosure in this county could date anywhere from the Bronze Age to the early medieval period, and the land itself often holds more than one phase of use within the same boundary.