Altar - Used in casting and rituals, click the link for more info.
Coven – A group of witches that gather together on a regular basis.
Crystals and Their Magickal Properties
Deosil - Clockwise movement around a circle
Grounding - Dispersing excess energy into the ground, often done through visualization.
Sigil – A magick sign, seal or image that you can use on your tools or pretty much anything you want.
Widdershins – Counter-clockwise movement around a circle.