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.
Use our interactive flexbox demo below to visualise how flex can help you layout your content.
No. Helpers are coupled with the page once placed. Changes to the Helper layout will not affect existing instances.
You can use Elements to create content but we don't recommend doing so for multiple reasons.