The project plan contains the aim, objectives and scope of the project while critical path identifies the method of doing activities and tasks to achieve the objectives.
Explanation:
Critical path identifies the ways in which the project can be done to accomplish the tasks on time. Critical path also helps to find which activities are most important that cannot be compromised. It also helps to manage the activities and complete the project on time. The time taken to complete each activity can be found with critical path.
Project plan provides the road map of the project showing how each stage of activities are going to be performed in the project.
