🟥QUICK REVIEW: WGS-84 WGS-84, or the World Geodetic System 1984, is a global reference system used to define coordinates for latitude, longitude, and altitude. It’s essentially a mathematical model of the Earth’s shape, used widely for mapping, navigation, and GPS. WGS-84 allows for precise, consistent location data worldwide, making it ideal for everything from satellite navigation to maritime and air travel. There have been minor updates to WGS-84 to improve its accuracy over time, but it rem