GPS has become shorthand for satellite navigation itself, but a new Engadget explainer digs into why that's technically wrong — and why the broader term GNSS deserves more recognition.

The short version: GNSS, or Global Navigation Satellite System, is the umbrella term for satellite-based positioning as a whole, while GPS is one specific system under that umbrella — the one operated by the United States. Other nations and blocs run their own constellations, and modern receivers in phones, cars, and wearables typically listen to more than one of them at a time to improve accuracy and reliability.

The distinction is more than pedantry. When a device advertises GNSS support rather than just GPS, it's signaling access to multiple satellite networks — which can mean better performance in dense cities, canyons, and other places where any single constellation struggles for line of sight. As location features become central to everything from fitness tracking to driver assistance, knowing what's actually doing the positioning under the hood is increasingly useful consumer knowledge.