To enforce the code culture document within the team, it is always hard to provide the link of any specific guideline that's why a convention is used. For example-
- CC3.2.1 means you have to check the 
1. Naming Conventionsguideline in3-git/2-branch-convention.md/. - CC1.1.2 means you have to check the 
2. Maximum line widthguideline in1-general/README.md. - CC2.1.4.4 means you have to check the 4th bullet point of 
4. Code-level general verificationguideline in2-code-review/1-after-merge-request.md.