Similarly, one can use a yantra (sacred diagram) to invoke divine powers. Certain yantras would be associated with Shiva or Shakti.
With the same sort of intention, one would visualize a deity as a way of bringing that deity into oneself and thus becoming the same as that deity.
Unlike some Indian philosophies that saw the world as an illusion (Maya) in samsara, tantra actually taught that the world we see is real.
And so, one can attain enlightenment by way of the rituals within this world, rather than through meditative removal from the world.