The phrase "projected path" refers to the predicted or expected route or direction that something or someone is going to take in the future. Full definition
All models have a rearview camera with projected path guidelines. (continentaltoyota.com)
Back into a parking spot with extra visibility provided by a view on your touchscreen display with projected path guidelines for added reassurance. (hollywoodtoyota.com)
The system then projects the path forward to the point at which the ball hits the ground, objectively revealing whether it struck in or out. (discovermagazine.com)