It’s really a good question! So why?
1)To some degree, it indicates the importance of the motherboard in the computer and accessories, just like the importance of a mother in a family;
2)The motherboard is also the carrier of the whole computer system platform, as the “mother” of all components, which usually contains software, hardware, hardcore, input and output and so on.
3)The motherboard is responsible to the exchange of all kinds of information in the system. And a good motherboard which enable the computer to perform system performance more stable.