What is a group of words that can be few sentences to full story called?

A group of words that can be few sentences to a full story can be called several things depending on the context:

* Passage: This is a general term for any segment of written text.

* Text: This is another general term for any written or spoken material.

* Composition: This implies a more structured and planned piece of writing.

* Narrative: This specifically refers to a story or account of events.

* Excerpt: This is a part of a larger piece of writing that has been extracted.

* Section: This can be used for a distinct part of a longer work.

* Chapter: This is typically a division in a book, but can also be used for a distinct part of a longer work.

The best term to use depends on the specific context and the length and purpose of the text.