If any of them is missing or inadequate, the program is proprietary (nonfree)
non-free software = proprietary software
missing any of these = non-conformant license (relative to a free software license)
If any of them is missing or inadequate, the program is proprietary (nonfree)
non-free software = proprietary software
missing any of these = non-conformant license (relative to a free software license)
Users' control over the program requires four essential freedoms.
The first two freedoms mean each user can exercise individual control over the program
Either way, they give the program's developer power over the users, power that no one should have.