Aeolian pertains to the wind's ability to shape the surface of the Earth.
Erg is a broad, flat area of desert covered with wind-swept sand.
Rally raid is cross country rallying, as opposed to a conventional Rally, which uses street-legal cars.
Southern Cone is the portion of South America from the around the Tropic of Capricorn to the southern tip. It comprises:
- Uruguay, and
- Southern Brazil.