Start = the current start date = the Remaining Start date until started then = Actual Start date.
Finish = the current finish date = Planned Finish date until started then = Remaining Finish date while in progress then = Actual Finish date when completed.
Actual Start = date the activity started.
Actual Finish = date the activity actually finished.
Early Start = Remaining Start date. The earliest date the remaining work for the activity can begin. This date is based on activity relationships, schedule constraints, and resource availability.
Early Finish = Remaining Finish date. The earliest date the activity can finish. This date is based on activity relationships, schedule constraints, and resource availability.
Late Start = Remaining Late Start date. The latest date the remaining work for the activity must begin without delaying the project finish date. This date is based on activity relationships, schedule constraints, and resource availability.
Late Finish = Remaining Late Finish date. The latest date the remaining work for the activity must finish without delaying the project finish date. This date is based on activity relationships, schedule constraints, and resource availability.
Planned Start = Early Start or a manual date (by user) until started then = Actual Start date
Planned Finish = Early Finish or a manual date (by user) until finished then = Actual Finish date.
Anticipated Start = The expected start date of the Project, EPS node, or WBS level, manually entered and not affected by scheduling. An anticipated start date cannot be entered at the activity level.
Anticipated Finish = The expected finish date of the Project, EPS node, or WBS level, manually entered and not affected by scheduling. An anticipated finish date cannot be entered at the activity level.
Remaining Start = Planned Start until started.. then = Data date..then upon completion = blank.
Remaining Finish = Planned Finish until started.. then upon completion = blank.
Remaining Late Start = The latest date the remaining work for the activity must begin without delaying the project finish date. When the activity is complete, the Remaining Late Start is blank.
Remaining Late Finish = The latest date the activity must finish without delaying the project finish date. When the activity is complete, the Remaining Late Finish is blank.
Expected Finish = The date the activity is expected to finish, according to the primary resource. You may choose to use the Expected Finish dates or not.
Constraint Date = An imposed start or complete, primary and secondary constraints can be entered.
Suspend Date = The date on which an activity’s progress was, or is planned to be, suspended.
Resume Date = The date on which an activity’s progress was, or is planned to be, resumed.
An A appearing after the Start or Finish value indicates that the value is the Actual Start or Actual Finish.
An * appearing after the Start or Finish value indicates that there is a Start or Finish constraint on this activity.