Compounds. There are more carbon compounds than there are compounds of all other elements combined. The study of carbon compounds, both natural and synthetic, is called organic chemistry. Plastics, foods, textiles, and many other common substances contain carbon.
backplane is the shared capacity between interfaces on a switch switch fabric is also the shared capacity between interfaces on a switch and can also be the shared capacity between interfaces on multiple switches using some sort of interconnect, typically vendor specific.
Backplanes versus motherboards. When a backplane is used with a plug-in single board computer (SBC) or system host board (SHB), the combination provides the same functionality as a motherboard, providing processing power, memory, I/O and slots for plug-in cards.