word usage - Is it correct to say Please hold on to the subhandrail and railings while walking up the stairs? - English Language Learners Stack Exchange

Look at the picture, I am not sure if I understand the stairs' anatomy correctly. Do we say "main handrail", "subhandrail", "a railing" as shown in the above picture? A

What is the meaning of They are holding onto a railing.? - Question about English (US)

Is it correct to say “Please hold on to the subhandrail and railings while walking up the stairs” as shown in the picture in the link? - Quora

Which is correct, 'hold on to handrail' or 'hold onto handrail'? - Quora

The Handrail FAQ: Complete Guide on Types, Requirements, and Installation - ErectaStep

Stair Terminology

Which is correct, 'hold on to handrail' or 'hold onto handrail'? - Quora

word usage - Is it natural to say hold the ball under your chin or hold the ball in your neck? - English Language Learners Stack Exchange

word usage - Is it correct to say zip the front pocket of the back pack all the way to the end? - English Language Learners Stack Exchange

word request - What are the stairs before the door called in English? - English Language Learners Stack Exchange

Is it correct to say “Please hold on to the subhandrail and railings while walking up the stairs” as shown in the picture in the link? - Quora

word usage - Is it correct to say You're sitting sideways in the stroller. Please turn to face forwards / Please turn to face straight ahead? - English Language Learners Stack Exchange