Look for distinct patterns and code boundaries/modules. Look at git commit (messages) and issues/PRs. Which parts of the codebase/process is involved in making

Look for distinct patterns and code boundaries/modules. Look at git commit (messages) and issues/PRs. Which parts of the codebase/process is involved in making which type of changes. Any codebase, especially large ones, may not be consistent during to legacy and many reasons. Use an IDE + grep/ag.