d is specified and brings
            about any conflict among their definitions.
<a name="4.6"></a>
    4.6 Basic Structure (informative)
        4.6.1 Initial Movie<a name="4.6.1"></a>
            This subclause shows a basic structure of the Movie Box as follows:

            +----+----+----+----+----+----+----+----+------------------------------+
            |moov|    |    |    |    |    |    |    | Movie Box                    |
            +----+----+----+----+----+----+----+----+---------------------