The different types of Socialists disagree on how to achieve the classless society called Communism (including Anarchists, by the way), but the end goal of a classless society is the same. There is no seperate “Marxist” definition of communism, he just took an idea that was considered utopian before him and turned it into a science.
You can gloss over that goal if you don’t consider Marxism the only form of communism.
There are other types of communism possible, some that even already exist in smaller groupings of humans than at the state level.
The different types of Socialists disagree on how to achieve the classless society called Communism (including Anarchists, by the way), but the end goal of a classless society is the same. There is no seperate “Marxist” definition of communism, he just took an idea that was considered utopian before him and turned it into a science.