classify

This ambiguity is the very reason doctors came together to describe and classify all the atypical behaviors they saw.

If you haven’t heard of it, it's a way of classifying civilizations… especially those of an extraterrestrial nature… based on how much energy they consume.

Another proposed scale classifies a civilization based on the scale of disaster you’d need to totally wipe it out: from a local spot on a single planet, like a city state, to an entire galaxy.