Thank you to everyone who responded! Each answer had something of substantial value to me and my pitiful musical understanding. My background is computers so everything you said that related to computers/software made complete sense to me. I'm also pretty good at (Internet) research, so what you have told me really helps fill out some of the things I had found in my research. What I understood loosely from my research now has a much more solid foundation because of the information you have shared. I have used Cool Edit Pro software for many years to edit many of the "New Age" or Progressive Rock mp3 tracks I have (e.g. David Arkenstone and Porcupine Tree can sometimes be a bit musically verbose), so I understand the broad concept of a DAW, but not much of the fine-tuning. But I feel much more confident that (as you said), although I have a steep learning curve ahead of me, because of what you have told me, I no longer feel like I'm stumbling around in the dark. I'll never be a musician, that is an art beyond my ken, but maybe I can be an amateur technician. MANY THANKS to everyone!!
Hal