Imagine you're driving down the highway after your typical workday. There's traffic, like always, and you crawl your way home through the sea of motor vehicles. Finally, you hit a patch of the highway where the traffic frees up, and you're moving down the highway like you normally do. But soon after this, a truck approaches you after entering the highway from an on-ramp. The truck doesn't see you, and the driver careens his vehicle right into yours.
The resulting truck accident changes your life forever. You've suffered severe injuries that will take months to heal, and even once they are healed, you may never be the same. This truck driver -- and possibly vicariously, the truck company -- has figuratively taken your life from you.