Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
product-key and license-key tags seem to be synonyms.
Should we put these [product-key]s and [license-key]s on a [keychain]?
No. Product could be subsystem of Licence (if Licence covers few Products).