The next step towards successful software deployment is Continuous Delivery (which doesn't have an abbreviation, as it would be the same as that of Continuous Deployment and the difference between the two is already confusing enough). With Continuous Delivery, the artifacts that are produced by your CI server are deployed to the production server with a single button click. Continuous Integration is a prerequisite for successful Continuous Delivery.
Let's first take a quick look at what you are probably doing now or have done in the past. You implement the feature, compile, run tests, and when it all works, decide to release the new version of the software to your customer. You need to copy/paste some files to their environment ...
