en_tn_condensed/rev/06/08.md

pale horse

"grey horse." This is the color of a dead body, so its color is a symbol of death.

one-fourth of the earth

"one-fourth of the people on the earth"

the sword

A sword is a weapon, and here it represents war.

with the wild animals of the earth

This means that Death and Hades would cause the wild animals to attack and kill people.