Another way to distinguish them is reality vs perception. Making directly alters reality, but comments only alter perception - the underlying thing is unchanged. A good analogy is that comments are potential energy - they can help us more accurately understand the underlying thing for future revisions. To activate it and truly make things better in the real world though, you have to make.
Funny timing, I just published a post about this today: https://suketk.com/thought-space-vs-reality.