“Give a fish to someone hungry ….

And you will keep him alive for one day, teach him how to fish and he will manage to eat his whole life.

A business model is a high-level description of
an application type which contains all the common features which can be found
in specifc examples of the model. For example, one of the most popular business
models is the e-shop which describes a Web site that sells products. The model is
general in that it does not describe the item that is sold or the mechanisms that are
used to carry out the sales process.