As the list descends, the scope of what can be owned shrinks, while the level of spiritual development increases. The parentheses specify the related type of social organization.
Below the line, while there are no material goods to be owned, the Self that can be "owned" in Buddhism encompasses All.
In the graphic of the consciousness chart, the side to the left of the slanted line represents those aspects of reality which are recognized as self, and the side to the right of the slanted line represents those aspects of reality considered not-self.
Moving from the top to the bottom of the chart represents increasingly higher levels of psycho-spiritual development.