One scan established it. Most of the corpus looks like this, and that is fine — it just means nothing else you have run has spoken to it yet.
The definition the product enforces, read from the same code the methodology page renders.
Most of the record looks like this and that is normal. One scan established the claim and nothing else you have run has spoken to it. It is not a warning; it is a count.
What the record of everything you have run adds that no single scan can: whether two separately run scans arrived at the same claim, and whether they agree.
Every grade here is assigned by the same rules on every scan, and the methodology page renders those rules from the code that enforces them.