The Customer and Order classes are the same as we described in earlier pages. You may skip to the new material here.

The Customer class represents any person who has done business with us or who we think might do business with us in the future. Its attributes are:

The Order class represents an event that happens when a customer decides to buy one or more of our products. Its attributes are:

The association between customer and order classes is:

The Product class represents a specific type of item that we have for sale. Its attributes are:

The association between order and product classes is:

Attributes of the association between the order and product are contained in an association class, Order Line. These attributes are:

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