The definition, as you point out, is a bit novel, so perhaps people aren't familiar with it, but as it was intended to apply to all institutions and to cover all the mandates of the recipient institutions, and to be evergreen and evolve with threats, it is conceptual. Its opening words are its full extent, as in threat to sovereignty, security, territorial integrity, or the lives or safety of Canadians. Those are all concepts that have a pretty high threshold.
