Every thing is, as it were, in a space of possible atomic facts.
I can think of this space as empty, but not of the thing without the space.
2.0131 A spatial object must lie in infinite space.
(A point in space is an argument place.)
A speck in a visual field need not be red, but it must have a colour; it has, so to speak, a colour space round it.
A tone must have a pitch, the object of the sense of touch a hardness, etc.