https://dennisreimann.de/articles/atomic-design-is-messy.html

TLDR;

Organize your design system in storybook by:

1. Foundation – e.g., colors, typography, icons
2. Elements – basic or generic building blocks
3. Modules – components that use elements and are often design for a particular thematic data
4. Prototypes or Pages – fusion of modules & elements to highly a workflow