In the context of India, what do the terms ‘Jarawa’, ‘Onge’, ‘Sentinelese’ and ‘Shompen’ refer to?

Jarawa, Onge, Sentinelese and Shompen are indigenous tribal communities of the Andaman and Nicobar Islands. The first three are Negrito tribes of the Andamans, while the Shompen are a Mongoloid tribe of Great Nicobar; several are particularly vulnerable tribal groups.