We can agree on what words mean, as long as you don’t make up your own definitions. I do agree it’s a waste of time if you can’t use something even remotely close to the agreed-upon definitions in the dictionary.
Here are some definitions that seem more reasonable:
Here are some definitions that seem more reasonable:
https://www.dictionary.com/browse/sell
https://www.dictionary.com/browse/buy
(Note neither of these involve use of the word “control”)
Here is the text of US copyright law, I recommend reading it:
https://www.copyright.gov/title17/