Space-time duality

Space and time are dual concepts. They are complementary to one another as an inverse binary symmetry. They go together as space with time in classical physics or time with space or spacetime as in relativistic physics.

Parallel terms:

SpaceTime
3D space +reference time3D time + reference length
vector space + scalar timevector time + scalar space
spatiocosmtempocosm
reference framereference timeframe
space positiontime position
particletempicle
body (an object)body, somebody (a subject)
waypointinstant
clockodometer

For further details see here and other posts on this blog.