"Building models" refers to creating smaller replicas or representations that resemble something larger or more complex. It can be done using various materials, like plastic, wood, or even computer programs. Full definition
The cooperative model has been essential for building this model of change. (amazon.com)
They offer the option of building their model for you, or giving you with the shell and tools to finish the rest. (insteading.com)
By building the model into hardware or a computer simulation, researchers can cool the system until it reaches its lowest energy, revealing the solution. (sciencedaily.com)