5.-Contributing.md

 # Contributing Guidelines
 
-Thank you for contributing to the Wiki! Please follow the guidelines below to maintain consistency in the project, especially for visualizations.
+Thank you for contributing to the Wiki! Please follow the guidelines below to maintain consistency in the project, especially for models, visualizations, and documentation.
 
 ## General Guidelines
 
@@ -10,6 +10,18 @@ Thank you for contributing to the Wiki! Please follow the guidelines below to ma
 
 3. **Commit Messages**: Use clear and concise commit messages that describe the changes you’ve made.
 
+## Section Structure Requirements
+
+When writing new sections, particularly for models or visualizations, ensure that you include the following subsections:
+
+1. **When to Use**: Clearly explain under which circumstances or for which type of data/model the method or visualization should be applied.
+
+2. **When Not to Use**: Describe scenarios where the method or visualization is inappropriate or could lead to confusion.
+
+3. **Examples**: Provide at least one example (with code or visualization) demonstrating the correct usage of the method or visualization.
+
+This structure will ensure that every section has clear guidance on applicability and examples for users to understand practical usage.
+
 ## Visualization Guidelines
 
 To ensure uniformity, all visualizations should use the following font and color scheme: