Creative Cloud is the evolution of Creative Suite. Most of the products included in Creative Suite are available in Creative Cloud, including many that were not previously in Creative Suite. Creative Cloud offers these products through a subscription model. Complete plan members can pay monthly or annually, and Acrobat Pro DC plan members must pay monthly. Both members always get the latest version of each product. Both plans also includes access to many online Adobe services and 20 GB of cloud storage space.
See Adobe Creative Cloud: What's New, What's Different for more information.