Vehicle units refer to the various types of vehicles categorized for specific purposes, such as transportation, construction, or emergency services. Common examples include cars, trucks, buses, and motorcycles. Each vehicle unit is designed with unique features to meet the needs of its intended use, such as passenger capacity, cargo space, or off-road capabilities. In the context of fleet management, vehicle units are often tracked for maintenance, fuel efficiency, and operational costs. Organizations may use software systems to monitor these units, ensuring optimal performance and safety. This helps in managing resources effectively and reducing downtime for vehicles like ambulances or delivery trucks.