SpaceDefinition of universe: The totality of all existing things that can influence each other. Our physical universe consists of space, time, matter, and energy, where mass and energy can pass into one another, and time is an additional dimension. That is, in addition to the space-time-continuum one could also speak of the energy-mass-continuum.
is an imaginary body, like
timeDefinition of time: General term for the experienced changes in our environment and ourselves. It can be gauged by the magnitude of the change.
a fictitious movement.