another definition in the dictionary:
Model-a set of variables and their interrelationships which are designed to represent some some real system or process. See Macromodel, Microanalytical Model.
Standard_Produc-categories into which products are grouped using formal systems such as the Australian Standard Industrial Classification and the Australian Standard Commodity Classification. See Australian Bureau of Statistics, Casual Product Classes.
Restraint_of_Tr-any action which damages in some way another's opportunity to carry on a business.
Functional_Disc-a price allowance given to a firm performing some part of the marketing function for other members of the channel of distribution, also called Trade Discount.
Closing_Signals-see Buying Signals.