If I change a Helper layout, will it change where it's used?
No. Helpers are coupled with the page once placed. Changes to the Helper layout will not affect existing instances.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Color tags allow you to create groupings of colors based off of the color tags that you define in the website settings color palette.
You can create more than one template to provide layout and style alternatives with the use of the template selector.
No. Acquia Cohesion allows the site builder to select, either use of IMCE or Entity browser for browsing and selecting images.