Help identifying "power rails" in amp schematic

[WateryDomestic]

whereas B+ is like a river

Your knowledge about amps is like a river, crochambeau, in its seeming endlessness. But seriously, I think that diagram pretty much helped me over what the book was referring to as "power rails", and I now "get it". So thanks a lot. Still, don't know what +24 is referring to, but I'm sure if I keep trucking and you nice people keep being nice, then I'll be moving along nicely in the amp field.

[crochambeau]

My knowledge is so limited it's laughable. Learn every day, we all know nothing. hahahaha

I pulled +24 out of the air as an example that has nothing to do with what you asked, I was probably polluting the waters at that point.

Happy I could help! Hope your journey is a quality one! Cheers.