What is a spaces found on the motherboard but smaller daughterboards are connected into the expansion slots of the motherboard?

The spaces on a motherboard that accommodate smaller daughterboards are known as expansion slots. These slots allow for the installation of various expansion cards, such as graphics cards, sound cards, or network interface cards, which enhance the motherboard's functionality. Common types of expansion slots include PCI, PCIe, and AGP. These daughterboards provide additional capabilities and performance enhancements for the computer system.