Answer:
The main difference between a short story and a novel is their length. A short story is a brief work of fiction that can usually be read in one sitting, while a novel is a longer work of fiction that requires more time to read.
Another difference between a short story and a novel is the number and complexity of conflicts. A short story typically focuses on one central conflict, while a novel can have several subplots and conflicts.
The number of characters is not necessarily a defining difference between a short story and a novel. Both can have one or multiple main characters, although novels often have a larger cast of characters overall.
The number of settings is also not a defining difference between a short story and a novel. Both can have one or multiple settings, although novels often have a greater number of settings due to their length and scope.
In summary, the main differences between a short story and a novel are their length, the complexity of conflicts, and the scope of characters and settings.