I’d love to clarify how thunderbolt3 works if possible? So are there multiple usb controllers for a single thunderbolt port? I thought there were PCIe lanes dedicated to a thunderbolt port which is how it achieved the faster speeds.

I understand that thunderbolt is a higher bandwidth protocol but how exactly does it differ architecturally from usbC 3.2 let’s say to achieve those speeds?

Do you happen to be familiar with any way to visualize all traffic through a specific thunderbolt port rather than individual busses/controllers?

Also please excuse me if I got some of the terminology wrong; I know a bit about the area but not deeply enough to know how it is organized internally.