Description should include

inputs—anything used by the system (e.g., people, information, materials, tools and machines, energy, capital, time)
processes—method of combining inputs to produce an action
outputs—results or products of the system
feedback—ongoing critical review of the process and results sent back through the system for improvement, both from internal and external customers.

Description should also include a comparison of the most common types of production systems, including

Process/Skill Questions: