What is the meaning of In-Vehicle Networking

Yes, first of all, let me clear the concept of networking.
Basically networking is some how an interconnection of two or more electronic devices or you can say when two or more devices are connected to each other, they form a network. Let me give you an example; when you call somebody from your cell phone, a connection is created between the other cell phone and your cell phone and this is collectively called network. Computers, laptops, mobile etc. are the devices when connected form a network.
Standardized protocols are defined to maintain communication between various components of the vehicle, for its proper functioning.
Modern vehicles tracking system use, GPS (Global Positioning System) technology to locate the vehicle.