C++ Modules are a way to organize and manage code in large C++ projects.

Imagine you have a big project with many files and libraries, and each file depends on other files and libraries. Currently, in C++, to use a piece of code from another file, you have to include a header file with declarations, which can result in slow build times and difficult-to-manage dependencies.

C++ Modules aim to solve this problem by allowing you to package up all the code from a library into a single “module” file. You can then import this module into your own code, and you’ll have access to all the code in the module without having to include individual header files. This leads to faster build times and easier-to-manage dependencies.

Think of modules as containers for your code that make it easier to reuse and share with others, without having to worry about the details of how the code is organized or which files depend on which other files.