Curious as to what her belief system was going into the event. For instance, was she predisposed to see an angel or see God. I wonder if your mind is making sense of a situation based on its religious programming?
It doesnt diminish the experience, but it might explain why there are differences from story to story.
I think that when we communicate, we can only use symbols we have already seen, We wrap our words around the frameworks we have already built in our minds, NDE are often perceived as very different in Hindu cultures for example.
https://www.near-death.com/religion/hinduism.html