Koshinto is also referred to as primitive Shinto, Jomon Shinto and Fukko Shinto; all such names are used refer to the Shinto that existed before being influenced by foreign religions like Buddhism, esoteric Buddhism and Taoism, and indeed Koshinto is sometimes used to express those forms of Shinto opposed or contrasted to Shrine Shinto.
原始神道・縄文神道・復古神道とも言い、密教・仏教・道教などの外来宗教の影響を受ける以前の神道のことでもあるが、神社神道に対峙しての古神道という使われ方などもする。