activity: Also known as task, an individual step performed to reach a project’s goal.
actual: Final reporting data for a task, such as the date when the task really started versus its planned start date or the amount of work completed versus the planned amount of work.
ACWP (actual cost of work performed): Cost of the actual, real work done on a task, work package or project to date.
ALAP (as late as possible): A constraint put on a task’s timing to make the task occur as late as possible in the project schedule, taking into account any dependency relationships.
analogous estimate: An estimating method that takes information from past similar projects into consideration when developing estimates for the current project.
ASAP (as soon as possible): A constraint put on a task’s timing to make the task occur as early as possible in the project schedule, taking into account any dependency relationships. This is the default constraint type.
automatically scheduled (auto-scheduled): A task mode where Project calculates the schedule as needed based on task dependencies, constraints, and resource availability.
BAC (budget at completion): The sum total of all costs involved in completing a task, work package or project. See also baseline cost.
Backstage view: The area that presents files and options when you click the File tab.
baseline: The formally agreed-upon dates for starting, finishing, duration, work, and cost data in the project. Later, actual schedule and ...