Does metal stand in an airport even need a label? Perhaps. There is not much else that one could do with this object other than to attach a notice to it either or both clips. Or one could use it for temporary coat storage I suppose. But the chances for this sort of confusion, requiring a clarifying label, are slim.
A billboard is typically a large outdoor advertisement. The Chinese reads “public announcement board”. In any case, all of them I passed by in PVG terminal 2 were devoid of announcements. Perhaps these billboards are part of an understated advertisement for stainless steel surfaces. It could be a overly clever viral marketing campaign for a brand yet to hit our consciousness.
The three vertical poles holding up the display surface strike me as artistic but a bit over-engineered for its purpose. But I digress.
I am tempted to attach a public notice reading “This is in fact not a billboard” but I have a flight to catch…