Original sentence: According to the Oxford Classical Dictionary, Terra refers to the element earth (one of the four basic elements of earth, air, water, and fire) and Tellus refers to the guardian deity of Earth and by extension the sphere upon which we live, the globe itself.Actual classical Latin usage does not necessarily appear to respect this distinction
Edited sentence: Technically, in correct classical Latin, Terra refers to the element earth (one of the four basic elements of earth, air, water, and fire) and Tellus refers to the guardian deity of Earth and by extension the sphere upon which we live, the globe itself