A Project Network Diagram is a visual representation that displays the sequence of project activities and the dependencies between them. Unlike a Gantt chart, which primarily shows the schedule and durations, a network diagram emphasizes the logical flow and relationships among tasks, making it ideal for understanding task sequencing.Plaky According to the CompTIA Project+ PK0-005 exam objectives, under Domain 3.1: Given a scenario, use the appropriate tools throughout the project life cycle, the project network diagram is identified as a key tool for illustrating task sequencing and dependencies.