All definitions are made up.

This definition captures the underlying notion.that
consensual democracy = self-government

Here is A. Chayes making a similar point:

“The shareholders were the electorate, the directors the legislature, enacting general policies and committing them to the officers for execution. Shareholder democracy, so-called, is misconceived because the shareholders are not the governed of the corporation whose consent must be sought.”

Robert Dahl had a similar understanding