> For the complete documentation index, see [llms.txt](https://cybertanghub.gitbook.io/tang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cybertanghub.gitbook.io/tang/pfp-intro/1st-review.md).

# 1st Review

<figure><img src="https://301613432-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FvsRYAqhIwrmkEfXUjmPn%2Fuploads%2F5cen0rdNDtg6K5TZrtxC%2F%E5%9B%BE%E7%89%87.png?alt=media&amp;token=17e77b5c-5286-4e69-b015-be20b2f3a255" alt=""><figcaption></figcaption></figure>