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most of them are self explanatory, but I'll go down the list for you any that are ambiguous.
manufacturer, who made it, if you just want to look at ASUS boards, tick off Asus here.
Socket, the socket installed to the board, must match the CPU socket.
Form Factor, is the size standard of the motherboard, if you need an ATX board, check it here.
Chipset - the chipset installed to the motherboard, must match the CPU.
memory max and memory slots are both about the RAM, both are sliders, you can select a required minimum setting and a maximum setting. if you need a board that supports minimum 64GB of RAM and up to 256GB RAM move the right and left radio slider (the blue ball at each end of the blue bar) to the...