Firstly, please do not use email to handle Discourse post. Email will completely mess up the formatting and adds a lot of unwanted cruft.
Klipper is commonly called a 3d printer firmware and is in the first place not directly related to the hardware. If you want to understand how Klipper works (in simple terms), read Klipper Architecture / Ecosystem
Marlin and Klipper are both 3d printer firmwares but they function fundamentally different. Before we continue, it would be really helpful to know if your are running Klipper or Marlin on your printer