> For the complete documentation index, see [llms.txt](https://blog.obsibrain.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blog.obsibrain.com/other-articles/project-breakdown-structure-example-a-complete-guide-to-building-effective-wbs.md).

# Project Breakdown Structure Example: A Complete Guide to Building Effective WBS