I have to agree with boogersguy - THank you DannyHamilton for your concise input.

While there are plenty of technical components to block chain, grasping the relevant factors does not require programming or cryptography. I'm new to block chains, but I've worked in IT most of my life and I find much of what is available is either extremely oversimplified (for the general public) or over the top with unnecessary technical details that still don't answer my questions about the basic components and operations.   I can dig into the details as I need them.

Danny, you hit the nail squarely on the head. You might consider writing a book