Wicca and witchcraft are actually two different things. Yes they can go hand in hand they can also be mutually exclusive
Wicca is primarily a religion
Witchcraft and spells are often a practice under taken by wiccans but it is not required that you convert to Wicca to be a witch
Witches can be of any religion or of no religion
The craft is just that a craft a learned skill
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Whether you are Wiccan or not if you want to learn about Wicca this website is the right place.