Smriti

Smriti (Sanskrit स्मॄति, "that which is remembered") refers to a specific body of Hindu religious scripture. Smriti also denotes non-Shruti texts generally, seen as secondary in authority to Shruti.
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Smriti smrti (Sanskrit) [from the verbal root smri to remember] What is remembered; unwritten teachings handed down by word of mouth, distinguished from srutis or teachings handed down in traditional writings. The Hebrew word qabbalah has a literally identical meaning.
The smritis were a system of oral teaching, passing from one generation of recipients to the succeeding generation, as was the case with the Brahmanical books before they were imbodied in manuscript. The Smartava-Brahmanas are, for this reason, considered by many to be esoterically superior to the Srauta-Brahmanas. In its widest application, the smritis include the Vedangas, the Sutras, the Ramayana, the Mahabharata, the Puranas, the Dharma-sastras, especially the works of Manu, Yajnavalkya, and other inspired lawgivers, and the ethical writing or Niti-sastras; whereas the typical example of the sruti are the Vedas themselves considered as revelations.
Sruti means that which is "heard" or received as direct oral revelation from a superior being, considered by orthodox Hindus to be equally holy to smriti; yet in ancient times the most sacred and secret teachings were never committed to writing but were invariably passed on from teacher to pupil with "mouth at ear" and at "low breath," whether among the Egyptians, Persians, Chaldeans, Greeks, Romans, Druids, Chinese, or Hindus.