It seems like you're asking about the definition of "digital modules." However, the term "digital modules" is not standard industry jargon, and its meaning might depend on the specific context or field in which it's used. If you could provide more details or context about where you've encountered this term, I'd be happy to offer more accurate information. Otherwise, if you're referring to modules in the context of digital technologies or education, please provide more information so I can better address your question.