The Critical Path Method (CPM) is a popular technique used to manage complex projects, but it's not the only one available. There are several other terms or synonyms for CPM used in project management, like PERT (Program Evaluation and Review Technique), Gantt charts, prioritization matrix, and milestone chart. With PERT, the focus is on managing uncertainties, while Gantt charts simplify scheduling by showing blocks of time. The prioritization matrix, on the other hand, helps determine which tasks to tackle first, according to their urgency and importance. The milestone chart identifies important deadlines and tasks to achieve milestones in the project life cycle. Regardless of the term used, it's vital for project managers to choose the right technique that suits the project's goals and complexity.