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<p>to the main window in the state it was in before this dialog was displayed.</p>

<p>Such a requirement describes an interaction between an external agent (the <a href="page.php?w=User_%28computing%29">user</a>) and the software system. When the user provides input to the system by clicking the OK button, the program responds (or should respond) by closing the dialog window containing the OK button.</p>

<p><big>Functional specification topics</big></p>
<p><big>Purpose</big></p>
<p>There are many purposes for functional specifications. One of the primary purposes</p><p>
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