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.
You can use Elements to create content but we don't recommend doing so for multiple reasons.
Yes, the generated templates can be saved to the database.
No site specific data is stored on the API.