what is pcie slot in motherboard

what is a pcie x1 slot good for? whats a pcie slot There are two full PCIe X16 slots The blue is the primary one whats a pcie slot What is PCIe ? PCIe is a high-speed serial bus that allows communicating PC's components such as

whats a slot The PCIe x1 slot supports all types of wireless network cards, including the latest Wi-Fi 6 protocol However, a PCIe x1 slot can only support 1