The Upanishads

Vak - Sacred Speech

The divine power manifesting as speech.

Vak (speech) is a divine power - the goddess of words. Right speech creates positive effects; sacred speech reveals truth. The Vedas are Vak's highest manifestation.

Four are the steps of speech - the wise know them.

Rig Veda, Rig Veda 1.164.45

Speech ranges from the transcendent to the ordinary.

Rig Veda