Etymology of Wicca five times in Gerald Gardner's book "The Meaning of Witchcraft" (1959), as well as in other early texts propagating Pagan Witchcraft, such as Doreen Valiente's "Where Witchcraft Lives" (1962) and Justine Glass' "Witchcraft, The Sixth Sense – and Us" (1965). None of these specifically referred to the Pagan Witchcraft religion as "Wicca". The earliest known published reference for the word "Wicca" is within an advertisement published in a 1962 issue of "Fate" magazine; in this, a Cardiff-based group of Pagan Witches advertised a tradition as "Wicca–Dianic and Aradian". The advert may have been linked to Charles and Mary Cardell because
Wicca oral teachings passed along to their initiates. There are many variations on the core structure, and the religion grows and evolves over time. It is divided into a number of diverse lineages, sects and denominations, referred to as "traditions", each with its own organisational structure and level of centralisation. Due to its decentralized nature, there is some disagreement over what actually constitutes Wicca. Some traditions, collectively referred to as British Traditional Wicca, strictly follow the initiatory lineage of Gardner and consider the term "Wicca" to apply only to similar traditions, but not to newer, eclectic traditions. Wicca is typically duotheistic,