Astral magick takes many forms. In some cases, it is a matter of utilizing astral travel to discover information or make subtle astral changes in a specific location on the astral plane or in the material world. Another form of astral magick involves creating an astral temple and/or an altar or ritual space on the astral plane and performing spells and rituals there. Symbolic actions taken on the astral plane can be used in a variety of ways to bring about change on the material plane.
Astral Magic: How it Can Improve Your Life at Witches of the Craft