System Dynamics
Stock
An amount accumulated at a point in time. Here it is the number of accepted repairs not yet finished.
Compare level, inventory and repair capacity.
The Rosetta Stone · a second way in
What term
have you heard?
Compare the words in context. Some are close equivalents. Others ask different questions.
Two worked entries. Browse either one without starting the scenario.
System Dynamics · Soft Systems inquiry
Model
A representation built to ask a question. Different traditions use models for different purposes; they are not interchangeable.
Compare prediction with purposeful-activity inquiry.