Communal living means everyone shares and cares for each other in places like Anarres. Independent living, like in Urras, is about owning stuff and doing your own thing, focusing on personal things more than the community. rephrase like a 8th grader with same word length

Communal living is when people live together and take care of each other, like in Anarres. Independent living, like on Urras, means having your own things and doing your own stuff without as much focus on the community.