Project management refers to the practice of planning, organizing, and executing tasks and resources to achieve specific goals.  1. Waterfall: This traditional approach follows a sequential flow, where each phase is completed before moving on to the next. 2. Agile: Agile methodology emphasizes adaptability and collaboration. It involves iterative cycles known as sprints, allowing for flexibility and incremental development. 3. Scrum: Scrum is a subset of Agile and focuses on teamwork and rapid delivery. 4. Kanban: Kanban is a visual method that uses a board with columns to represent different stages of the project.5. Lean: Lean project management focuses on maximizing value and minimizing waste.  Each type has its own advantages and is suitable for different situations.