British Traditional Wicca refers to a specific lineage within the modern Wiccan movement, with its roots dating back to the early 20th century. This particular form of Wicca emphasizes the importance of initiation, training, and adherence to a specific set of beliefs and practices. Other synonyms often used for British Traditional Wicca include BTW or BTW Wicca. It is also sometimes referred to as Gardnerian Wicca, named after its founder, Gerald Gardner. Other variations include Alexandrian Wicca and Mohsian Wicca. Despite some differences in specific practices and beliefs, all forms of British Traditional Wicca emphasize the worship of a goddess and god, and the celebration of seasonal cycles and festivals.