Four Worlds

Kabbalistic philosophical framework The Tree of Life expanded to show each sefirot within the Four Worlds, an arrangement nicknamed "Jacob's Ladder" The Four Worlds (Hebrew: עולמות ʿOlāmot, singular: ʿOlām עולם), sometimes counted with a primordial world, Adam Kadmon, and called the Five Worlds, are the comprehensive categories of spiritual realms in Lurianic Kabbalah in a descending chain of existence. The concept of "Worlds" denotes the emanation of creative lifeforce from the Ein Sof or Godhead through progressive, innumerable tzimtzumim or concealments. Kabbalists identified the names of these worlds from Isaiah 43:7, "All who are linked to My name, Whom I have created, Formed, and made for My glory (Biblical Hebrew: כֹּ֚ל הַנִּקְרָ֣א בִשְׁמִ֔י וְלִכְבוֹדִ֖י בְּרָאתִ֑יו יְצַרְתִּ֖יו אַף־עֲשִׂיתִֽיו׃, romanized: Kol hanniqrā b̲išmi wəlik̲b̲od̲i bərāt̲iw yəṣartiw ʾap̲-ʿăśit̲iw.)". In order of descent, the names of the worlds are Atziluth ("Emanation"), Beri'ah ("Creation"), Yetzirah ("Formation"), and Assiah ("Action"). Below the lowest spiritual world, Assiah, is the Ass