What does PCI to PCI bridge mean?

Related questions

1. What is the PCI serial port used for?
2. What is PCI address?
3. How do I identify an unknown device?
4. How do I find PCI devices on Linux?
5. What is a root complex in PCIe?
6. What is PCI bar?
7. What is PCIe function?
8. Is PCIe better than PCI?
9. How can I see hidden devices?
10. What is AMD PCI Device Driver?

Tags

1. #expanded
2. #standards
3. #other
4. #different
5. #limited
6. #bridges
7. #bridge
8. #buses
9. #between
10. #connection
11. #devices
12. #allows
13. #called
14. #hardware
15. #electrical
16. #adding
17. #characteristics