Characters are defined by numerical traits called might, resolve, savvy and combat.

Vampire bats are bats whose food source is blood, a dietary trait called hematophagy.

This trait, unsurprisingly called competitiveness, is viewed as an innate biological trait which coexists along with the urge for survival.

This theory also suggested that seal brown horses were black horses with a trait called pangare.

There's a trait called initiative which is balanced against caution.

Black-pointed horses that are not uniformly black often exhibit a trait called sootiness.

Both heroes and villains are described through free-form traits, called Aspects.

Furthermore, a large number of bound states existed in a series that showed a trait called self-similarity.

Male mugger crocodiles are larger than females, a trait called sexual dimorphism.

Huskies commonly have different colored eyes, a trait called heterochromia of the eye.