What are color tags used for?
Color tags allow you to create groupings of colors based off of the color tags that you define in the website settings color palette.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Yes, you can use Drupal fields in certain parts of Site Studio.
It depends on the use case. For fields and their field formatters use a 'Field' element, for data without field formatters, use a token.
Yes, you can personalize content within Site Studio using the context module.
No site specific data is stored on the API.