The Front Windshield is located in the front of the car, above the dashboard. It's typically made of laminated safety glass, which consists of two layers of glass with a plastic layer in between to prevent shattering on impact. It also protects from wind, debris, and weather conditions like rain or snow.
At the back of the vehicle, behind the passengers is the rear windshield. The rear window is a large piece of glass that allows rearward visibility. Unlike the front windshield, it is often made of tempered glass which is designed to shatter into small pieces if broken and can include features such as rear defrosters for removing condensation.
They can be fixed or moveable (powered or manual), and usually made of tempered glass which is designed to shatter into small pieces if broken, which reduces the risk of injury. There are 2 on a 2 door car and 4 on a 4 door car:
Located just behind the rear side door windows or rear window, usually in cars with a longer roofline or a "cabin rear" design. Also in some 2 door cars. These are smaller windows often triangular or rectangular in shape. They are typically fixed in place, although in some cars, they may be movable. They are usually made of tempered glass.
In the roof of the car, above the driver and passenger seats. A sunroof (or moonroof) is a transparent glass panel that can be opened to let in fresh air and light (although sometimes fixed).