The four core knowledge areas typically refer to domains central to project management as defined by the Project Management Institute (PMI). These are: Project Scope Management (defining what work is included and excluded), Project Time Management (scheduling and controlling timelines), Project Cost Management (budgeting and financial control), and Project Quality Management (ensuring deliverables meet standards). However, the specific "four core knowledge areas" can vary by context. In some organizational frameworks, they might refer to different disciplines entirely—such as technical, business, process, and people skills in certain industries. In education or training contexts, "four core areas" might mean mathematics, language arts, science, and social studies. The PMI framework has since expanded to ten knowledge areas (adding integration, communication, human resource, risk, procurement, and stakeholder management), but the original four remain foundational to understanding how projects are executed. When you encounter this term, the context—whether it's project management, education, business operations, or another field—will clarify which specific four areas are being referenced.