Breathing makes an entity breath: This state will not show up for entities other than players.

EffectBearing makes an entity show up as if it is bearing effects.

Immobile makes the entity able to look around but they are not able to move from their position.

Invisible makes an entity invisible, so that other players won't be able to see it.

Named makes an entity show a specific name tag above it.

OnFire makes an entity show itself as on fire.

Scaled makes an entity show up with a different scale.

Sneaking makes the entity show up as if it is sneaking.

Sprinting makes an entity show up as if it is sprinting: Particles will show up when the entity moves around the world.

Swimming makes an entity show up as if it is swimming.

UsingItem makes an entity show itself as using the item held in its hand.

State represents a part of the state of an entity.