Shruti
Shruti ("what is heard") refers to a canon of Hindu religious scripture; the earliest of which have existed (in written form) since at least 1500 BC. There are 4 sub-categories of Shruti: the Vedas, Aranyakas, Brahmanas, and the Upanishads. Shruti is said to have no author; but rather, are the divine recordings of "cosmic sounds of truth", heard by rishi. Bhagavad Gita is often considered to be revealed as well.See also: Smriti
| Early Hinduism | Hinduism | Hindu Philosophy |
| Primary Scriptures: Vedas | Upanishads | Bhagavad Gita | Itihasa | Tantras | Sutras |
| Concepts: Brahman | Dharma | Karma | Moksha | Maya | Punarjanma | Samsara |
| Schools & Systems: Vedanta | Yoga | Tantra | Bhakti |
| Rituals: Aarti | Darshan | Puja | Satsang | Thaal | Yagnya |
| Hindu Teachers/Gurus and Saints: Sankara | Ramakrishna | Vivekananda | Aurobindo | Ramana Maharshi | Sivananda |
| Denominations: Vaishnavism | Shaivism | Shaktism | Neo- and quasi-Hindu movements |