A term that is used to identify a particular mantra as primary, central, essential, or most important.

Literally “heart,” this term means the heart essence or essence of the deity and here refers to the deity’s mantra.

A term for an essential mantra related to a particular deity.

A term for the most important and often (but not always) the most simplified spell associated with a particular buddha, bodhisattva, or other being.

A term that is often used to signify the most important or central mantra of a certain deity.

See “heart essence.”

The most essential mantra of a deity.

A short mantra.

Literally “heart,” this term means the heart essence or the essence of the deity and can refer to its mantra, mudrā, or maṇḍala.

Lit “heart” or “marrow.”