Yes, 7 main chakras as mentioned. From the base of the spine to the top of the head. The Merkaba (the star of David) is a representation of 2 triangles as ‘arrows’ pointing up and down while overlapping. This signifies (one thing it signifies anyways) the raising of energy upwards from the lower chakras (Base needs, fight or flight, raw sexuality, raw energy or sea of chi at 3rd) towards the more ‘refined’ upper 4 chakras starting with the Heart chakra.
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