Why can I create more than one Acquia Cohesion template for the full view mode?
You can create more than one template to provide layout and style alternatives with the use of the template selector.
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.
You can use Elements to create content but we don't recommend doing so for multiple reasons.
Yes, this is possible by creating a custom element.