>>4
Chomsky says he is a libertarian socialist.
http://dictionary.reference.com/browse/socialism
Arbitrary communal ownership is collectivism, we are part of the material world therefore there must be instances where private ownership is more desirable due to the inefficiency and corruption of any bureaucracy needed to manage communal ownership. I say arbitrary communal ownership because there is nothing wrong with communal ownership if it is with the consent of those who pay for it.
Anarchism is more of a value than a system.
http://dictionary.reference.com/browse/anarchism