sanAtana in samskrt means 'from old times'. Some people interpret it as same as 'nitya' which is not correct. Nitya means eternal and Sanatana means from old times. These two words have different meanings. dharma means that is 'fixed' like laws of the nature. Laws of nature are fixed and beyond our control. For eg. things flow from high concentration to low concentration or energy moves from hot to cold are laws of nature that arise due to entropy. Hence giving from those who have to those who have not, which is in tune with one of the laws of nature is called dharma. Living by sanAtana dharma means living by the laws of the nature that exist from old times. mata means opinion. When that opinion gets strengthened, we get intoxicated by our opinion, it becomes 'madha'. Religions of the world from shaivism, vaishnavism, buddhism, jainism, christianity, islam and even hinduism are mata (ideas) or madha (intoxication). varNa means paint or an external c...