Move the photos using your operating system and then re-connect in Lightroom following these instructions: Adobe Lightroom - Find moved or missing files and folders
Do not use this as an opportunity to re-arrange folders or move photos from folder to folder. Just move the entire "tree" of folders.
Thanks - that makes sense. I appreciate it. I assume the I could use the Find missing files or folders at the top of the tree and it will take care of things from there.
Yes, indeed. That is specifically shown in Figure 4.