Magento Community is a free to download, open-source product from Magento. In a sense, you could consider this the bare bones of the Magento platform and it is not for everyone.
Magento Enterprise is a high performance, scalable solution for fast-growing medium and large businesses. When you choose Magento Enterprise, you will have access to the company support team, which will allow you to develop your site even without a large amount of technical experience.
Cloud enablement for Magento, allows you to roll out a scalable eCommerce infrastructure solution.
When you want to have more control over the Magento software and you want to truly take your business to a higher level, then you may need help in doing so. This is why you will want to select an expert Magento consulting group.
Magento Detector is a little tool that helps you recognize if Magento powers the online store or not.