it requires patience, attention to detail, and strong problem-solving skills. Break down the code into smaller components, understand the overall structure and flow of the code, and identify the main functions and their dependencies. Use tools such as debuggers, code analyzers, and version control systems to navigate through the codebase and trace the execution path. It is also helpful to consult documentation, comments, and other resources to gain a deeper understanding of the code. Additionally, collaborating with team members and discussing the code with others can provide valuable insights and help clarify any confusion.


Understanding thousands of lines of code and multiple codebases can be a daunting task, but there are some strategies that can help make it more manageable:

1. Start by familiarizing yourself with the overall structure and architecture of the codebase. This can help you get a high-level understanding of how different components interact and where to look for specific functionality.

2. Use tools like code editors with search and navigation features to quickly jump to specific sections of the codebase. This can help you find relevant code more efficiently.

3. Take notes and document your understanding as you go through the codebase. This can help you keep track of important details and connections between different parts of the code.

4. Break down complex code into smaller, more manageable chunks. Focus on understanding one module or feature at a time before moving on to the next.

5. Ask for help from more experienced team members or refer to documentation and comments in the codebase to clarify any uncertainties.

Overall, patience, persistence, and a systematic approach can help you gradually build a deeper understanding of complex codebases.