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The second category is dangerous. Look at this example: The term customer
is certainly known to all project participants. So hardly anyone will ask what is
meant by it. Unfortunately, this domain term hides potential misunderstandings.
Is a customer always an individual? Or are there corporate customers? If so, do all
employees of a corporate customer have identical customer cards? Since the term
appears to be trivial, it can easily happen that these questions will never be discussed.
This means that the fi nished system is potentially faulty and might have to
be corrected, probably causing considerable cost that hadn ??™ t been planned for.
Other good examples from a real-world project are the terms confi guration
and parameterization . Both terms had been used in that project, but they had
different meanings for the project participants. The bad thing was that everybody
had a different idea of what they meant. Many disputes were eventually clarifi ed
once the misunderstanding had been discovered. Yet another real-world project
had used the term printer .


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