Navigation systems are technologies that use a combination of satellite signals, sensors, and mapping data to provide users with information about their current location and route guidance to reach a desired destination. These systems are commonly used in vehicles, smartphones, and wearable devices to assist with travel and transportation. Navigation systems typically utilize Global Positioning System (GPS) satellites to pinpoint a user's location with high accuracy. This information is then combined with mapping data to provide real-time navigation instructions, such as turn-by-turn directions and estimated travel times. Some advanced navigation systems also incorporate additional features like traffic updates, points of interest, and voice commands. Overall, navigation systems play a crucial role in modern transportation by helping users navigate unfamiliar areas, avoid traffic congestion, and reach their destinations efficiently and safely.