First person omniscient is a point of view where the narrator is a character in the story and can access the thoughts and feelings of all the other characters. Third person omniscient is a point of view where the narrator is not a character in the story but can access the thoughts and feelings of all the characters.

First person omniscient is best used for a suspense horror novel or short story because it allows the reader to experience the terror and confusion of the narrator as if they are in the story themselves. An example of a book that uses first person omniscient is "The Tell-Tale Heart" by Edgar Allan Poe.

Third person omniscient is best used for a suspense horror novel or short story because it allows the author to create a more detached and objective narrative, which can increase tension and suspense. An example of a book that uses third person omniscient is "The Shining" by Stephen King.

However, there are exceptions to these rules and different authors may choose to use different points of view for their horror stories based on their individual writing styles and the needs of their plot.
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