That spare designation, a word that covers everything from prehistoric ringforts to medieval farmstead boundaries, is about all that can be said with certainty at present. An enclosure, in the archaeological sense, is typically a defined area bounded by an earthen bank, a ditch, or a combination of both, and such features are scattered across the Irish countryside in their thousands, each one a faint outline of a life or a community that organised space deliberately, for reasons of defence, farming, ritual, or simple settlement.

Feenlea itself is a small townland in Clare, a county whose landscape is dense with archaeological remains, from the limestone pavements of the Burren carrying their ancient field walls to the ringforts and cashels dotting the more fertile lowlands. Without further detail about this particular enclosure, its precise form, date, or condition cannot be described, and any attempt to do so would be invention rather than history. What can be said is that even an unexcavated, undescribed enclosure carries a quiet weight. The boundary someone drew around a piece of ground, whether in the Iron Age or the early medieval period, represents a decision, a claim, a way of saying that this space was set apart.