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The PhoneBook tutorial revolves around a simple domain for managing contact information:
Person
objects can have multiplePhoneNumber
objectsPerson
objects can have an address, i.e. point to aLocation
object
Thus you can manage people, their addresses and their phone-numbers.
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The PhoneBook tutorial is the text-book for class-room training and very detailed. It is a very gentle introduction to re-motion, but browsing and searching this wiki might be more productive if you are interested only in certain aspects of re-motion. This wiki uses PhoneBook examples as well, so it is helpful to have at least a passing familiarity with it.
In this wiki, the term "PhoneBook" can mean