When working on complex projects that rely on multiple code repositories, maintaining consistency across dependencies can become a real challenge. One of Git’s lesser-known but powerful features, the submodule, provides a solution by allowing you to link and track external repositories within your main project. However, understanding Git submodules thoroughly is essential to use them effectively and avoid common pitfalls. In this article, we will break down the usage of Git submodules, provide code examples, analyze best practices, and address frequently asked questions.