Ong Kar means "God, as He manifests in Creation." Nirankar means "God without form." Together, the mantra represents God manifested and formless. This mantra brings union from separation and removes the feeling of being disconnected and recognizing your connection with all that is.
Ong Kar Nirankar Nirankar Ong.
Meaning:
"Ong Kar = "God, as He manifests in Creation" Nirankar = "God without form"