No I am not confusing anything. Marx laid out what mainstream Communism is, and that includes expropriating property from people, and denying the people the right to engage in voluntary economic interactions.

You may be confused as to what 'voluntary economic interactions' means, so I'll explain:

This would be any kind trade enter into by two consenting adults, like for example, doing a number of hours of work in exchange for a number of units of currency. By denying the right of employers to hire workers on any terms other than giving workers all of the revenue generated by the business, communism denies the right to engage in the aforementioned class of voluntary economic interactions.

I really recommend you think about these concepts. You seem to have a very shallow understanding of what communism is, and the implications of what it advocates for.

To advocate for radical reconfigurations of society, brought about by force, without thinking through the moral implications, is very reckless and morally irresponsible.