Continuous delivery a typical improvement to CI. Applying the principle of Agile software practices, it's based on the definition of done for a software developer. A task is done when there's no more manual or untested steps involved in getting the related code pushed to production.
When you tell your Project Lead that you have completed development on item
#987; in many cases, you may mean that you have done the following things:
Is your code actually ready for production? Did you do the following: