A device used to determine direction on land is called a "compass." A compass consists of a magnetic needle that aligns itself with the Earth's magnetic field, pointing toward magnetic north. This simple yet essential navigational tool has been used for centuries by explorers, hikers, and mariners to help them find their way. Today, compasses come in various forms, including traditional magnetic compasses, as well as digital ones integrated into smartphones and GPS devices. Understanding how to use a compass effectively is vital for successful navigation and outdoor adventure, especially in unfamiliar terrains.