The word Svetamabara means "white clad" referring to the white clothing that they wear. They are not all that different from the Digamara's. The only major difference is the way that they dress for prayer.
Digamara
The word Digamara means "sky-clad" referring to the fact that they go naked. They are not all that much different from the Svetamara's other then the cloths they wear for prayer.