When the focus is on shipping a quality application, whether it be for general customers or for an enterprise, there are multiple kinds of testing that need to be performed. These testing techniques may start at different points in the development life cycle of the application, and hence are categorized accordingly.

In this section, instead of focusing on some testing methodologies that can be grouped as black-box testing and white-box testing, we will rather focus our effort on understanding the terminology associated with the developers. So, let's take a look.