The Brainliest Answer!
The term is acceleration disc. And if you are concerned with what exists between event  horizon and singularity then the region between the horizon and the singularity is occupied by a spacetime where the time and space coordinates are reversed from those of the outside world. In case of a rotating black hole conditions are more complex like the existence of singularity as a ring around the center of the black hole, gravitational radiation which causes distortion in spacetime.
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oh alright thanks.. I thought it was the distance between the horizon and singularity
this black hole is vast and I myself sometimes get confused between different terms
I know right.. but I look up all this stuff just out of curiosity. not academics lol
same here. did you participated in NAO this year