Which road does it indicate?

No particular road, just the presence of roads in general. My reasoning is sound enough on this point, so I won't engage further. After all, this is Perl Monks, not Phenomenology Monks.

"Use (LIST) to initialise a hash or array" is vastly different than "Parens indicate a list."

I'd say "different", but without the adjective "vastly". But again, I won't engage further. I've had my say.

I see your point. I acknowledge it's correctness. And I am grateful for your effort, and most especially, my new insight.