Salaam Whisper and Salaam to everyone
Best reference for spirituality of Dhikr, from Qushairi Manifest:
http://www.untiredwithloving.org/qushairi_dhikr.html
Most important concept in metaphysics of Sufis is that human being cannot remember Allah in any form, nor even to mention the Divine Name, but it was Allah all along that remembered or mentioned the human being and the primordial echo of that remembrance or mention is our words remembering Allah:
http://www.untiredwithloving.org/ibn_ataa_hekam_dhikr.html
For that matter the terminology of Qabiliyat has been used:
http://www.untiredwithloving.org/qabiliyat.html
Human being a Divine Musical Instrument, and sounds coming out of him or her are nothing but Dhikr of Allah as in primordial memory accessed to understand something of Allah:
http://www.untiredwithloving.org/muddakir.html
Being good to the mother is a requirement for a man to do proper Dhikr of remembrance of Allah, per Hadith of the Prophet:
http://www.untiredwithloving.org/dhikr_mother.html