When you open the Model Warehouse Models form via the main menu, you get a list of all models that have been added to the Model Warehouse. There are various way how you can add data to the Model Warehouse:
Publish a model from a modeling tool via the plug-in into a project.
Harvest a TRS stream via the Indexed Models harvester.
Harvest source code objects and links from a source code project that is stored in GIT.
Harvest an SQL schema via the Schema Harvester.
You can filter the models by selecting a certain project or model type and you can also search for certain expressions in the name of the models.
The local menu of the model allows to access the Governance & Visibility form.