That gap itself is quietly telling. Ireland's countryside is scattered with enclosures of various kinds, from the circular earthen banks of early medieval ringforts to the stone-walled cashels that served as farmstead boundaries, and the simple word "enclosure" covers a broad range of forms, functions, and periods. Without further specifics, Firgrove's example belongs, for now, to that larger, patient category of sites waiting to be more fully described.

Enclosures as a class of monument can date anywhere from the Bronze Age through to the post-medieval period, and their purposes varied accordingly: domestic settlement, stock management, ritual activity, or territorial marking. County Clare is particularly well furnished with such remains, partly because its landscape of thin soils over limestone karst has tended to preserve earthworks that might elsewhere have been ploughed away. The Burren to the north is the most celebrated example of this fossilised archaeology, but similar conditions extend into other parts of the county, including areas like Firgrove where individual sites quietly endure.