The descent
הִשְׁתַּלְשְׁלוּת
How Room Is Made and How Light Is Measured
Scroll to descend. As you go down, the light does not weaken — it becomes defined. At the lowest point the drawing reaches an interior, and the returning arc begins to rise around everything that came before it.

אֵין סוֹף
Ein Sof
No geometry, no direction, no scale. Nothing here can be pointed at, because pointing already requires a somewhere.
Open this stationצִמְצוּם
Tzimtzum
Not a removal of G-d, but a withholding of overwhelming revelation. Room is made where a recipient can stand.
Open this stationחָלָל וּרְשִׁימוּ
Chalal and Reshimu
The space that opens is not empty of Him. It carries the trace of the light it can no longer perceive openly.
Open this stationקַו
The Kav
A single measured thread enters the space. Infinity does not become finite; it reveals itself in a form the finite can receive.
Open this stationאָדָם קַדְמוֹן
Adam Kadmon
The first configuration of light. An architecture, an order, a blueprint — never a body and never a biography.
Open this stationסְפִירוֹת
The Sefirot
Structure differentiates into distinguishable modes. Will, wisdom, understanding, kindness, restraint, beauty, endurance, response, foundation, kingship.
Open this stationעוֹלָמוֹת
The Worlds
Each successive world receives less of the same light, so that something able to experience itself as separate can finally stand.
מַלְכוּת
Malchut
Speech, kingship and presence. The last of the sefirot, and the first reality that can be inhabited.
Open this stationעוֹלָם הַזֶּה
This World
An interior. Matter, opacity, resistance — and, precisely there, the destination rather than the obstacle.
אוֹר חוֹזֵר
Or Chozer
The movement reverses. What was received is metabolised and returned, and the return is not a different light.
Open this stationדִּירָה בַּתַּחְתּוֹנִים
Dirah Betachtonim
The enclosure becomes visible. He makes the chalal; we make the dwelling.
Open this stationגְּאוּלָּה
Geulah
Nothing new arrives. What was always the case becomes openly perceived.
Open this stationWhy a descent at all
Chassidic DevelopmentIf no place is empty of Him, the difficulty is not how G-d reaches the world. The difficulty is how anything other than G-d could seem to be there at all.
Seder hishtalshelut — the ordered chain of unfolding — is the classical answer, and it is worth stating what kind of answer it is. It is not a map of places. It is a description of degrees of revelation and concealment. Each stage is less revealed, not further away.
This is the single most important correction to make before reading any cosmological diagram, including the ones on this site. A diagram must use space, because that is what diagrams have. The reality being diagrammed does not.