One way to refine the use of “concomitant” is to notice that the stated notion may be broader or narrower than the intended notion. A trait may often accompany another without applying to precisely the same persons in every circumstance.
Treating such relations as strict logical equivalences makes conventional examples difficult to classify. The analysis therefore depends on whether the relevant connection is logical implication or ordinary conventional association.
In examples involving sword straps, dogs, and camel calves, social custom and recognizable signs have particular importance.