source: Japji sahib teeka by sant gurbachan singh bhindranwale teekakar, likhat by sant kartar singh bhindranwale.
Pdf page - 397/ page - 788, can be downloaded from - http://gurmatveechar.com/books/Steeks_and_Teekas/Sant_Kartar_Singh_(Bhindrawale)/Damdami.Taksal.Pehili.Pothi.Teeka.(GurmatVeechar.com).pdf
Many times we have seen or come across with word surat in gurbani.
Here are the various deep meanings or commentary of word surat, ultimately is pure consciousness (chaitan)
Manaie Surat Hovaie Man Bodh ||