It does not necessarily do so if you make up your own thing and label it open source rather than using the standard, intelligible, non-deceptive definition. For example, if you name your dog "Open Source," that doesn't even give me the right to pet it.
But I don't think anybody is interested in talking about your dog.
I was giving my definition, which I consider the "industry standard" which is the one by OSI (while I have some issues with the organisation that definition is useful)