These two aspects are also found in Malchut below. For Malchut is a “place” or “space” in the sense of providing the possibility for lower realms to exist. In addition to this, Malchut itself is also the individual root of each one of them, because the overall Malchut includes all the individual Malchuyot of all the other Sefirot.
...which because of its supreme greatness could not be apprehended. Here is the reason why we may call this a Residue even though it is not strictly in the same category as the light of Eyn Sof, which cannot be seen, while the light of the Residue has an end and a limit and can be seen. The reason is because there is a way in which they can be considered to come under one category. Since we have called Eyn Sof, blessed be He, “Simple Light”, and the light of the Residue is also light, they both come under the category of light, even though the one cannot be seen, while the other is visible light. For we may consider the ability to be seen a contingent occurrence in the Residue that could not apply to the first light.