Original sentence: In Hindu Sanatana Dharma theology Brahm/Parabrahma is the one unchanging, infinite, immanent, and transcendent reality which is the Divine Ground of all things in this Universe
Edited sentence: In Hindu Sanatana Dharma theology Brahm/Parabrahma is the one unchanging, infinite, immanent, and transcendent reality (Lord Vishnu or Narayana, and His avatars/expansions like Rama and Krishna) which is the Divine Ground of all things in this Universe.Krishna showed Arjuna His Universal Form, on which all the nature, 14 planetary systems and living beings are situated.Similar idea is Vishnu's form, on whose body all those 14 planetary systems (loka systems) pantheistically are situated.The closest known Vedic concept which can be considered as pantheism, is the world's soul - Vishwarupa