Business add on features

Business add on features

Hi all

Business add-on includes some features, can someone please explain in more detail about

- Zoho CRM forms 

I can create some basic forms, are CRM forms and Newsletter subscription forms (which is in the Biz add-on) different? What new features?

- 20 more dynamic content

What is dynamic content?
Any examples?

Thank you for your time.

Regards