I've looked but I can't find it. I must be using poor keywords or else I
didn't recognize the answer when I saw it. Can someone please point me in
the right direction? Apologies if I am posting in the wrong place.

I want say :
... please see the section headed "Features" on page ???.
but, of course, page ??? may move.

What topics should I read to accomplish this?

- Len B