How Activity Sequence-Sensitive Works. Activity sequence-sensitive (ASS) is a cost accounting term referring to how the progression of repetitive tasks affects the productivity of a process.

On sequence diagrams, this numbering is somewhat redundant because the ordering of the messages always is determined by the order, from top to bottom, in which they appear on the diagram.

The Program Evaluation and Review Technique (PERT) is a widely used method for planning and coordinating large-scale projects. As Harold Kerzner explained ...