It carries the deliberately broad classification of "monumental structure", a category that can cover everything from a megalithic tomb to a substantial carved stone, and that studied vagueness is itself a small puzzle worth noting.

Clydagh is a rural townland in Mayo, a county whose landscape is dense with prehistoric and early medieval remains, from passage tombs and standing stones to ringforts and early Christian enclosures. Without more specific detail attached to this particular record, the structure sits in a kind of administrative limbo, acknowledged but not yet described. That gap is not unusual for Mayo, where the sheer number of sites has long outpaced the resources available to document them fully. What is known is that someone, at some point, considered this structure significant enough to record and classify, which suggests it is more than a field boundary or a collapsed outbuilding.