"a system in which goods are owned in common and are available to all as needed"

Who determines who needs what?
Surely some type of central planner
would determine such thing.. right?

"is a philosophical, social, political, and economic ideology and movement whose ultimate goal is the establishment of a communist society, which is a socioeconomic order structured upon the ideas of common ownership of the means of production and the absence of social classes, money,[3][4] and the state.[5][6]"

Who determines how order is structured?
Surely some type of central planner
would determine such thing.. right?