model

1. An abstraction of reality, generally referring in investments to a mathematical formula designed to determine security values. Economists also use models to project trends in economic variables such as interest rates, economic activity, and inflation rates.
2. A dwelling constructed by a developer that allows potential buyers to inspect the homes, apartments, or condominiums that will be offered for sale.
3. A particular type of vehicle produced by a manufacturer. For example, Escalade is a model offered by the Cadillac Division of General Motors Corporation.