And it is like a ladder, of which it is stated: (Gen. 28:12)... and behold a ladder was set in the earth... etc.,... and behold angels of ELQYM were ascending and descending in it (BO)... meaning ‘in ו’ Vav And all is YQVQ, YOD QE VAV QE – YaD (hand, =14), (1 Sam. 19:9)... and David was playing by hand (yad).
Vav ו is the body, its wings are Hei-Hei ה־ה, its head is Yod י, through it, ascends the voice of music.
And furthermore: Vav ו is the candelabrum (menorah). ה־ה Hei-Hei are (Ex. 25:32)... three branches of the menorah from one of its sides... etc. ו Vav is the middle of the menorah the candle upon its top is י Yod when it sits on the letter ו Vav, it is made into the letter ז Zayin (=7). And the mystery of the matter: (Num. 8:2)... the seven candles shall illuminate, thus corresponding to the menorah which is Vav ו and the six branches of the menorah which are: ה־ה Hei-Hei – formed by six ‘Vavs’.