The goal of the estimating phase is to produce estimates through a multi-step process which is defined, repeatable, and consistent.
The Design Phase produces Design documents that describe the functional and technical aspects of the requirement(s), providing sufficient detail and information in a standardized format that allows for coding in the subsequent Development and Unit Testing phase
Development/Unit Testing activities efficiently and accurately develop, unit test, and provide documentation for Designs produced.
The goal of the Practice Moves phase is to repetitively practice and improve the accuracy and turnaround time to execute the conversion steps involved in readying a project for production.
The purpose of the Release/Rollout phase is to provide for adequate planning, preparation, and introduction of the new or modified system or enhancement.