These are all the Personages of Wudu. The prayer of whoever denies any of their stations or rejects any of their ranks is invalid.

The esoteric meaning (bāṭin) of dry ablution (tayammum) in the absence of water is: acquiring knowledge from the believers among the people of the temperament (ahl al-mizāj) during the occultation of the people of the luminous ranks (ahl al-marātib al-nūrāniyya); because the believers among the people of the temperament are the "good surface of the earth" (al-ṣa‘īd al-ṭayyib), as we have previously presented.

"The second indication regarding the esoteric meaning of the call to prayer (adhān): Know that the adhān linguistically means 'announcement,' and in legal convention (al-‘urf al-shar‘ī), it is that which is called out upon the commencement of each of the five obligatory prayers—consisting of the magnification of God (takbīr), the testimony of His oneness in divinity, the negation of any partner to Him, the testimony of His Messenger’s truthful mission from Him, and the repetition of the call to respond to Him. Its outward fame precludes the need for further explanation.