Kabbalah is sometimes called the Tree of Life
Kabbalah is a discipline and school of thought concerned with the mystical aspect of Judaism. It is a set of esoteric teachings meant to explain the relationship between an eternal/mysterious Creator and the mortal/finite universe (His creation). While it is heavily used by some denominations, it is not a denomination in of itself; it is a set of scriptures that exist outside the bible. Kabbalah seeks to define the nature of the universe and the human being, the nature and purpose of existence, and various other ontological questions.
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