What are "Collected Stories"?

[hootrooster]

"Complete Stories" is obvious, but what are collected stories? Stories that were originally published in short story collections? Yet, Somerset Maugham's Collected Stories contains fewer than half of the Ashenden collection? What's going on here?

 

[Occlith]

A collection of stories, an anthology. It is sometimes the better known or more notable stories but not usually the complete or definitive collection of stories.

 

[Heteronym]

I'm almost certain that it's an interchangeable term with "Complete Stories".