(tib.: lung) Literally wind or breath. It can refer to various meanings within the Tibetan Buddhism:
oral transmission of a mantra or a text to a student by a lineage holder. The mere hearing of the syllables transmits their inner meaning.
a subtle flow of energy (skt.: prana) in the bodily energy channels.
one of the three functions or humors of the Tibetan medicine, connected to the element of air. It can also refer to a life force. It can stand for the ones energy imbalance or psycho-somatic disturbances.