Development - Application
Software development also known as applications is the process of computer programming,
documenting and testing involved in creating and maintaining applications resulting in a software product.
Functions of Software development and how it contributes to the ITaaS model:
Applications software is a computer program designed to perform functions, tasks, or activities for the benefit of the user while system software is a type of computer program that is designed to run a computer’s hardware and application programs.
System software is the interface between the hardware and user applications.