Grounding is act to providing electrical path to the earth or to some metal surface that make good contact with the earth
Reason to grounding :
We provide The Isolated Grounding System with its Single Refference of Potential in our grounding product, that is obviously requires a fundamental concept , expertise and special material to deliver the specification. Telecommunications equipment and computer system are sensitive parts supposed to be protected like the illustrated apple and bird. Conventional grounding configuration called Integrated Grounding System is simple configuration to protect insensitive equipment, not for telecommunication and computer system. Compare the difference with the illustration of Isolated Grounding System.
For more detail about grounding system you can try to see Isolated Grounding System page