Jainism has two ways of looking at things: one called Dravyarthekaraya and the other Paryayartheka Noya. According to the Dravyarthekaraya view the universe is without beginning and end, but according to the Paryayartheka view we have creation and destruction at every moment.
As he is one, so we call Him God, the Deity, the Divine Nature, and other names of the same signification.