Answer:
they're impersonal and know everything about the story
explanation: third person means that they are effectively "outside" the story, and that they are not directly affected or affecting anything in the story.
"omniscient" means to "know all", and so an third-person omniscient means that they are not part of the story and that they know all of what is going on.
Explanation:
Sorry this is not at least 100 words but i tried
