Countless times I have been asked what does “non-commercial” mean? Is reproducing an article in a university library a non-commercial use? How about making 50 copies of a document for an in-house seminar in a for profit corporation? How about a lawyer doing research on behalf of a client—is this non-commercial? The answer to these questions lie within the context of the phrase. This article examines defining this phrase as well as definitions in general in license agreements you sign to use the digital content of others.