What does 'Range' do in the menu element?
The 'Range' in the menu list item element sets which list items at the current level the settings should apply to.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Yes, the component link field supports both internal and external URLs.
No, the entity browser does not work for component defaults as the entities are content, not config.
Running the composer update command will update any composer packages that have newer versions available.
Yes, this is possible by creating a custom element.