What Is A USB 'Header' (And How Is It Different From A Port)?

With the prevalence of USB devices, it's easy to mix up USB headers and ports, but the header is the motherboard pin ...
Ars Technica

What's the technical name of a motherboard USB header connector?

The USB A female connectors were easy to find on Digi-Key's website. However I'm not sure what the technical name is for the motherboard header for USB. Anybody know? Or alternatively, anyone have a ...
Ars Technica

Can you attach multiple USB-C plugs to a single motherboard header?

You could do USB header -> Hub -> Extensions and then expose each extension externally I suppose, but it would not be pretty. While it won't use your motherboard's USB-C header, there are PCIe header ...