Spatial surety: moving characters around buildings

Photo credit: melschmitz,  morguefile.comDetective Fredricks completes his investigation of the dining room, then he...

goes through the French doors to examine the patio
or
takes the left exit into the butler's pantry
or
leads the officers back to the main corridor

Wait. Is there a butler's pantry? Which side of the room has French doors? What other rooms lead off this corridor?

Space, the essential frontier
Even if  you don't write mysteries, like in my example above, you likely need to m...