Do I have to use IMCE?
No. Acquia Cohesion allows the site builder to select, either use of IMCE or Entity browser for browsing and selecting images.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Custom styles are CSS styles for classes.
No, you cannot layout forms with Acquia Cohesion.
You can style tables or forms through the use of base or custom styles.
No site specific data is stored on the API.
The WYSIWYG (ckeditor) adds a paragraph tag around the text within the block quote. This causes it to inherit the text size of your paragraph base style.