How do I add a combinator to my style?
You can only add combinators to child selectors. Add a child selector and combinator will appear in the Style tree.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
No. Component content entities do not have view modes.
Yes, you can render react components.
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.
You don't. You apply a Descendant selector. These use a (Space).
If you want to add custom code to your website you can use Field formatters, Blocks and Custom Acquia Cohesion elements.
No site specific data is stored on the API.
Drupal content field data is NOT transmitted to the API. Only the underlying JSON schema and any information hard coded into templates and styles is transmitted.