How do creating and extending a search model differ in the search and analytics modeler?

How does Field Priority control where a fact sheet field appears in the responsive display?

Which SAP Note documents the complete list of search models and connectors for all Fiori fact sheet apps?

What is the search and analytics modeler, and what knowledge does it demand?

For a fact sheet extension, when do you extend the search model versus the UI layer?

Which three design sections of a fact sheet can be extended?

What is the difference between the 'Existing Fact Sheet Application' and 'New Fact Sheet Application' templates?