Earlier quoted context omitted.
"“Free software” means software that respects users' freedom and community. Roughly, it means that the users have the freedom to run, copy, distribute, study, change and improve the software. Thus, “free software” is a matter of liberty, not price. To understand the concept, you should think of “free” as in “free speech,” not as in “free beer.” We sometimes call it “libre software,” borrowing the French or Spanish wo…
This is entirely unrelated to Krita, but on the "free beer" mention: I had heard free as in beer, and also free as in puppies. But two that I heard recently and loved that make different points: Free as in mattress, and free as in piano.
I don't get it, could you explain?