"Asha (/\u02C8\u0251\u02D0\u0283\u0259/; a\u0161a) is the Avestan language term (corresponding to Vedic language \u1E5Bta) for a concept of cardinal importance to Zoroastrian theology and doctrine. In the moral sphere, a\u0161a/arta represents what has been called \"the decisive confessional concept of Zoroastrianism.\" The opposite of Avestan a\u0161a is druj, \"lie.\"The significance of the term is complex, with a highly nuanced range of meaning."@en .