…within which was afterwards created... That is, after the Line entered the Residue and ordered it into its various divisions, the Residue became worlds, as will be discussed later. The Line itself became concealed within the Residue, and accordingly the Line governs the Residue.
As we have said above, through the Line, Eyn Sof, blessed be He, executes this limited act in accordance with His intrinsic perfection. The Channel or Pipe is like a garment for the Line itself, so that we may say that overall, the descent of Eyn Sof, blessed be He, into the cavity is a single Line constituted by the Channel and the Light drawn down within it. For the Line is comprised of these two, and together they are called one Line in the teachings of the ARI.