The term could refer to a few different things in this context:
This looks like a request for a custom creation or player breakdown. Caris Levert 2K19-[HD] [CA2K]
An build for accurate gameplay performance. The term could refer to a few different
A or Cyberface creation guide for realistic visuals. Caris Levert 2K19-[HD] [CA2K]
An or video description for a "CA2K" (Creative 2K) project.