Omkara, like Krsna, can be realized or viewed from three angles, as Brahman, Pramatma, and Bhagavan.
https://harekrishnainfo.blogspot.com/search/label/BrahmanParamatmaBhagavan
Thus omkara represents Krsna; His name, fame, pastimes, potencies, and devotees; and everything else pertaining to Him.
https://harekrishnainfo.blogspot.com/search/label/NamaRupaGunaDhamLilaRasa
