<P> <progress>... </ progress> </P> <Dl> <Dd> A bar for showing the progress of an action . </Dd> <Dd> Standardized in HTML5 . </Dd> </Dl> <Dd> A bar for showing the progress of an action . </Dd> <Dd> Standardized in HTML5 . </Dd>

Which of the following is an element of development