This scope lets an app "Add or disable user groups, and change their names and descriptions."
This OAuth permission scope works with these Web API methods.
usergroups.create - Create a User Groupusergroups.disable - Disable an existing User Groupusergroups.enable - Enable a User Groupusergroups.update - Update an existing User Groupusergroups.users.update - Update the list of users for a User Group