An element is an item of configuration data for a boot environment application or part of the Windows boot process. With boot.ini, these properties and their values were specified as boot options. With BCD, each item of input data is contained in a separate BCD element.
BCD elements are contained within a BCD object. A boot environment application has a BCD application object that contains BCD elements to specify the configuration properties for the application. A BCD application object can also include inheritable objects that contain additional configuration data.
Some elements can be associated only with certain objects, whereas others can be applied to any type of boot environment application. To manage the different types of elements, the element namespace is divided into three classes. The following table shows the classes and their associated numerical code.
Element Classes
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