In mysticism, witchcraft or sorcery was the practice of using magic spells, especially manifested as black magic, performed by witches and warlocks.
While trapped in Sarpeidon's past, James T. Kirk's sudden appearance in the past, after passing through the Atavachron and calling out to the landing party on the other side-in the wall/time portal, was mistaken for using witchcraft; branding him as a witch to face persecution. (TOS: "All Our Yesterdays")
According to the lyrics from the 20th century Human song, "That Old Black Magic", the user of "that old black magic" utilized "that same old witchcraft when your eyes meet mine, " forcing them to lose their ability to control themselves. (VOY: "The Killing Game", "Virtuoso")