Software engineering is defined as a process of analyzing user requirements and then designing, building, and testing software application which will satisfy those requirements.
The primary focus for an infrastructure administrator is the implementation, use and maintenance of an organization's telecom, data systems & maintain a computer operations strategy.
It is the set of processes and procedures involved in writing software for small, wireless computing devices. Like Web application development, mobile application development.
Project management is the practice of initiating, planning, executing, controlling, and closing the work of a team to achieve specific goals and meet specific success criteria at the specified time.
It is the science of analyzing raw data to make conclusions about that information. Many of the techniques & processes of data analytics have been automated into mechanical processes & algorithms.