It seems like hallucinations. You can see the sources for the various analyses, even though it says they are the internal fields, you can see it is doing a bunch of searches of previous posts.
It may well be similar to an internal field, if Grok is used to create them, but these appear to be hallucinations.
Hallucinations get expensive when outputs run without a verification loop. Treat each claim as a hypothesis until it has evidence you can reproduce. A simple gate works in practice: source it, reproduce it, or discard it.