Use the Edit Relationship dialog box to edit or remove the selected activity relationship.
Relationship Type: Displays the selected relationship's type. Choose from four types of relationships: FS - finish to start, FF - finish to finish, SS - start to start, and SF - start to finish. You can select a new relationship type.
Lag Days: Displays the selected relationship's lag time, or time modification value. You can type a new lag time.
Delete: Deletes the selected relationship.