At the task level, the Total Effort field displays the total effort attributable to this task’s labor assignments through both the completed portions and remaining portions of all labor assignments. In other words, this is the sum of the task's labor assignments’ Total Effort values.
At the project level, the Total Effort field displays the total effort attributable to the project's labor assignments through both the completed portions and remaining portions of all labor assignments. In other words, this is the sum of the project's labor assignments’ Total Effort values.