Programme Management
Source: © 2019 Project Management Institute, Inc.

Project Management
Source: The PMBOK® Guide – Glossary

Business Analysis
Source: The BABOK® Guide – Glossary

Change Management
Source: PMI Implementing Organizational Project Management: A Practice Guide – Glossary

Project Administration facilitates the project activities of reporting and analysing while providing a dependable support structure to the entire project team.
Source: The PM Academy