Term
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Definition
| An element of work normally found on the WBS that has an expected duration, cost, and resource requirements |
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Term
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Definition
| Information about each activity, such as predecessors, successors, logical relationships, leads and lags, resource requirements, constraints, imposed dates, and assumptions related to the activity. |
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Term
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Definition
| A tabulation of activities to be included on a project schedule. |
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Term
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Definition
| A network diagramming technique in which activities are represented by arrows and connected at points called nodes to illustrate the sequence of activities |
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Term
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Definition
| A project network diagramming technique that determines the late start and late finish dates for each activity. |
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Term
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Definition
| The planned schedule dates for activities in a Tracking Gantt chart. |
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Term
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Definition
| Additional time to complete a task; a buffer is added to an estimate to account for various factors. |
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Term
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Definition
| A single node followed by two or more activities on a network diagram. |
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Term
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Definition
| A technique for making cost and schedule trade-offs to obtain the greatest amount of schedule compression for the least incremental cost. |
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Term
| Critical chain scheduling |
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Definition
| A method of scheduling that takes limited resources into account when creating a project schedule and includes buffers to protect the project completion date. |
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Term
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Definition
| The series of activities in a network diagram that determines the earliest completion of the project; it is the longest path through the network diagram and has the least amount of slack or float. |
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Term
| Critical path method (CPM) or critical path analysis |
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Definition
| A project network diagramming technique used to predict total project duration. |
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Term
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Definition
| The sequencing of project activities or tasks |
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Term
| Discretionary dependencies |
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Definition
| The sequencing of project activities or tasks defined by the project team and used with care because they may limit later scheduling options. |
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Term
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Definition
| Activities with no duration and no resources used to show a logical relationship between two activities in the arrow diagramming method of project network diagrams. |
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Term
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Definition
| The actual amount of time worked on an activity plus elapsed time. |
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Term
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Definition
| The earliest possible time an activity can finish based on the project network logic. |
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Term
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Definition
| The earliest possible time an activity can start based on the project network logic. |
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Term
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Definition
| The number of workdays or work hours required to complete a task. |
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Term
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Definition
| The sequencing of project activities or tasks that involve relationships between project and non-project activities. |
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Term
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Definition
| A schedule compression technique in which you do activities in parallel that you would normally do in sequence. |
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Term
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Definition
| Time added before tasks on the critical chain if they are preceded by other tasks that are not on the critical path. |
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Term
| Finish-to-finish dependency |
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Definition
| A relationship on a project network diagram in which the “from” activity must be finished before the “to” activity can be finished. |
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Term
| Finish-to-start dependency |
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Definition
| A relationship on a project network diagram in which the “from” activity must be finished before the “to” activity can be started. |
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Term
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Definition
| The amount of time a project activity may be delayed without delaying a succeeding activity or the project finish date |
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Term
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Definition
| A network diagramming technique that determines the early start and early finish dates for each activity. |
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Term
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Definition
| The amount of time an activity can be delayed without delaying the early start of any immediately following activities. |
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Term
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Definition
| A standard format for displaying project schedule information by listing project activities and their corresponding start and finish dates in calendar form. |
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Term
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Definition
| The latest possible time an activity can be completed without delaying the project finish date. |
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Term
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Definition
| The latest possible time an activity may begin without delaying the project finish date. |
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Term
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Definition
| The sequencing of project activities or tasks that are inherent in the nature of the work being done on the project. |
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Term
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Definition
| Two or more nodes that precede a single node on a network diagram. |
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Term
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Definition
| A significant event that normally has no duration on a project; serves as a marker to help in identifying necessary activities, setting schedule goals, and monitoring progress. |
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Term
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Definition
| Working on more than one task at a time. |
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Term
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Definition
| The principle that if something can go wrong, it will. |
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Term
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Definition
| A schematic display of the logical relationships or sequencing of project activities. |
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Term
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Definition
| The starting and ending point of an activity on an activity-on-arrow diagram. |
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Term
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Definition
| The principle that work expands to fill the time allowed. |
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Term
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Definition
| (Optimistic time + 4 * most likely time + pessimistic time)/6. |
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Term
| Precedence diagramming method (PDM) |
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Definition
| A network diagramming technique in which boxes represent activities. |
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Term
| Probabilistic time estimates |
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Definition
| Duration estimates based on using optimistic, most likely, and pessimistic estimates of activity durations instead of using one specific or discrete estimate. |
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Term
| Program Evaluation and Review Technique (PERT) |
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Definition
| A project network analysis technique used to estimate project duration when there is a high degree of uncertainty about the individual activity duration estimates |
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Term
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Definition
| Time added before the project’s due date. |
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Term
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Definition
| The processes required to ensure timely completion of a project. |
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Term
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Definition
| The sequencing of project activities or tasks |
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Term
| Resource breakdown structure |
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Definition
| A hierarchical structure that identifies the project’s resources by category and type. |
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Term
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Definition
| People, equipment, and materials. |
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Term
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Definition
| The approved planned schedule for the project. |
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Term
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Definition
| The amount of time a project activity may be delayed without delaying a succeeding activity or the project finish date |
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Term
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Definition
| A milestone activity that is completed later than planned. |
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Term
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Definition
| Guidelines to help define milestones that are specific, measurable, assignable, realistic, and time-framed |
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Term
| Start-to-finish dependency |
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Definition
| A relationship on a project network diagram in which the “from” activity cannot start before the “to” activity is finished. |
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Term
| Start-to-start dependency |
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Definition
| A relationship on a project network diagram in which the “from” activity cannot start until the “to” activity starts |
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Term
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Definition
| An element of work normally found on the WBS that has an expected duration, cost, and resource requirements |
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Term
| Theory of Constraints (TOC) |
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Definition
| A management philosophy that any complex system at any point in time often has only one aspect or constraint that limits the ability to achieve more of the system’s goal. |
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Term
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Definition
| An estimate that includes an optimistic, most likely, and pessimistic estimate. |
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Term
| Total slack (total float) |
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Definition
| The amount of time an activity may be delayed from its early start without delaying the planned project finish date. |
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Term
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Definition
| A Gantt chart that compares planned and actual project schedule information. |
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