It's typically called a 'minute story'. Such stories are very concise but can still convey powerful emotions and ideas in a short space.
Short stories and short stories are synonymous. They usually refer to short, relatively simple, but expressive novels that satisfy the reader's impulse to write short stories. They usually contain short titles and short narrative passages. Short stories and short stories are often used in novels, magazines, newspapers, and online serializations. They are an indispensable part of literature and entertainment.
A short short story is also known as a flash fiction.
A short part of the story is often called an episode or a chapter.
A very short story is often referred to as a 'flash fiction'.
A short part of a story is commonly referred to as a scene. It focuses on a specific moment or event within the larger narrative. Another name for it could be a passage, which is a section or portion of the story.
Such a short snapshot could be termed an excerpt. An excerpt is a selected portion of a larger story, offering a taste of the overall tale.
The beginning of a short story is often referred to as the 'introduction' or 'opening'.
A short story writer is often referred to as a 'short fiction author' or a 'short story author'.
Typically, a short entertaining story is known as a 'fable'. These often have a moral or lesson and are designed to be both fun and thought-provoking.
A short funny story is often called a 'comic tale' or a 'humorous anecdote'.