The term ordered activity means: October 5, 2022 by 8i9x6 Tasks must either precede or follow other tasks in project planning and management. Tasks cannot be performed unless the project manager issues a specific command to perform the work. Prior project planning removes the need for any rush so that tasks can be performed in a methodical fashion. Tasks are not performed unless the customer issues a specific request to perform the work. See Answer Tasks must either precede or follow other tasks in project planning and management.