1. Front-End Code: HTML, CSS, JavaScript, and any framework code (e.g., React ) used to build the user interface.
2. Back-End Code: Server-side code (e.g., Node.js, Python, Java) managing the application logic, databases, and APIs.
3. Database Schema: Structured databases including tables, relationships, and any necessary documentation on data models.
4. API Integrations: Documentation and source code for external or internal API integrations used by the application.