One of the images mentioned in text at the puranas is the idea of a model of the universe with Mount Meru at the center, heavens above and hell's below, and these fourteen worlds that make a multiverse.
The concept of the UGA's or the for ages is an idea within Hinduism, with each UGA getting shorter and more corrupt as time goes on, leading to the belief that at the end of the current age Vishnu will appear in the avatar of Kalki riding a white horse and will remove the remaining evil and start a new golden age.
The traditional view in Hinduism is that there are many universes floating around the space, each created differently and with different ideas about how the world was created.
In Hinduism, there are different creation stories, as the universe is constantly being created and destroyed, with no one knowing the specifics of how the world was created.
Many Hindus believe that the universe is just one of many bubbles floating in space, with multiple universes being created and destroyed throughout time and space.
Hindus believe that the goal of life is to reach moksha, which is the idea that at the end of being reincarnated many times, you will try and reach mocks, which is a place where you are reconnected with Brahman.