# VAULT

**URL:** https://www.thebookofmo.com/c/vault/15.md

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## [About the VAULT category](https://www.thebookofmo.com/t/about-the-vault-category/26)

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**Author:** [@MO](https://www.thebookofmo.com/u/MO)\
**Replies:** 0\
**Last updated:** [October 19, 2026, 1:51pm UTC](https://www.thebookofmo.com/t/about-the-vault-category/26 "2026-10-19T13:51:47Z")

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Operation notes (OP notes) and knowledge base. Use the following paragraphs for a longer description, or to establish category guidelines or rules: Why should people use this category? What is it for? How exactly …