Four logical relationships are possible. These relationships can be remembered if you use the same statement to describe the relationship and simply substitute the letters designating the relationship. The statement is: The independent activity must (first letter of the relationship) before the dependent activity can (second letter of the relationship) (see figure 2-4).
Figure 2-4. Precedence relationships.
Finish-Start Relationship (FS)
Most projects that you are likely to encounter will use the logical relationship of finish-start more often than any other relationship. This relationship says: The independent activity in ...