Test Plan: describes the test strategy, scope, resources and schedule of testing activities. It identifies the test requirements, test cases, expected results, pass or fail criteria, and risks associated with the plan.
Task List: specifies the tasks to be executed. The order in which tasks will be performed, and who will perform the tasks. The task order should take into consideration the requirement priorities, and which tests can be executed using the same setup.
Schedule: specifies the date and time that each task will be performed.