Meaning of black circle on deck plans?

[wtang]

I will be sailing on the Summit in an inside cabin. Looking at the deck plans, my room has a black square and a black circle. I know the black square means a convertible sofa. But does anyone know what the black circle means? The map key/legend on the Celebrity website only mentions a black triangle means a 1 upper berth. There is no mention of a black circle in the map key/legend.

[Texed]

But does anyone know what the black circle means?.

 

Two upper berths. :)

[wtang]

Two upper berths. :)

 

Thanks! That makes sense. I wonder why Celebrity doesn't clearly indicate this on their deck plans?