Full Idea
'Space' in physics really just means location.
Gist of Idea
'Space' in physics just means location
Source
Gavin Hesketh (The Particle Zoo [2016], 06)
Book Reference
Hesketh,Gavin: 'The Particle Zoo' [Quercus 2016], p.125
A Reaction
Location can, of course, only be specified relative to something else. Space is really an abstraction, but at least it means there is some sort of background to locate all the fundamental fields.