$($a$)$ Contrast a project from a nonproject. What makes a process a project? Describe universal and common characteristics of a project.

$($b$)$ What characteristic of the critical path makes it critical? How would a project manager manage critical path activities differently than noncritical path activities? What are the managerial implications?

$($c$)$ What is "slack" $($or activity slack$)$ and why is it important?