The "Five Races" refers to the five sapient species of the genus Homo present on Telluris.
Humans: (Homo sapiens) Medium-sized diurnal omnivores. The most widespread "race". Average 5-6 feet tall.
Giants: (Homo giganteus): Very large, robust, diurnal omnivores. Once ruled over much of the world, but are now a dying breed. Size varies between 8-10 feet tall.
Fae: (Homo nympha) Also known as "the Fair Folk" due to their fair skin. Gracile crepuscular omnivores with large eyes and pointed ears. Due to their unusual appearance, and crepuscular habits, they are often attributed with supernatural powers by superstitious humans. Average 5-6 feet tall.
Gnomes: (Homo pygmaeus): Often nicknamed "halflings" or simply "the Little People". Small nocturnal omnivores closely related to (or possibly descended from) fae. 2-3 feet tall.
Orks: (Homo orcus): Large, robust, nocturnal carnivores with dark grey skin, and prom