submodule
/ˈsʌbmɒdʒəl/Definitions
1. noun
A part of a module, especially a smaller or subordinate part within it.
“The programming framework is divided into several submodules for better organization.”
2. noun
A module of a larger program or system, especially in a version control system.
“The new submodule for the project’s UI was successfully integrated into the main codebase.”