Hebrew: Or Hozer
When the Direct-Light (The Light drawn by selfish desire) is reflected back, straight to the root, by resistance (to the immediate urge), giving and sharing it creates an energy that is The Returning Light. After the Tsimtsum, Returning Light is the only vessel capable of holding any Light (permanently) in our world.

Hebrew: Head

The Upper Three

Also in the connotation of the seed as the point of control

i.e. Rosh Hashanah is the time to control the whole year

Ruah (Spirit) – One of the five levels of the soul. The second level (from the bottom) – The level above the body consciousness. Corresponding to Zeir Anpin.