Heraldic badge
Overview
Emblem
An emblem is a pictorial image, abstract or representational, that epitomizes a concept — e.g., a moral truth, or an allegory — or that represents a person, such as a king or saint.-Distinction: emblem and symbol:...
or personal device worn as a badge to indicate allegiance to or the property of an individual or family. Medieval forms are usually called a livery badge, and also a cognizance. They are para-heraldic, not necessarily using elements from the coat-of-arms of the person or family they represent, though many do, often taking the crest
Crest (heraldry)
A crest is a component of an heraldic display, so called because it stands on top of a helmet, as the crest of a jay stands on the bird's head....
or supporters.
