--- layout: docs page_title: Concepts description: Concepts that are important to understand for Vault usage. --- > [!IMPORTANT] > **Documentation Update:** Product documentation, which were located in this repository under `/website`, are now located in [`hashicorp/web-unified-docs`](https://github.com/hashicorp/web-unified-docs), colocated with all other product documentation. Contributions to this content should be done in the `web-unified-docs` repo, and not this one. Changes made to `/website` content in this repo will not be reflected on the developer.hashicorp.com website. # Concepts This section covers some concepts that are important to understand for day to day Vault usage and operation. Every page in this section is recommended reading for anyone consuming or operating Vault. Please use the navigation to the left to learn more about a topic.