- SMIL timing Elements:

<excl> Specifies elements that are to be exclusively displayed

<par> Specifies elements that are to be displayed in parallel

<seq> Specifies elements that are to be displayed in a sequence

- SMIL timing Attributes:

begin - Specifies the delay before the display of the element

dur - Specifies the duration for the display

endsync - Synchronizes the stopping of parallel elements

repeatCount - Specifies the number of repetitions for the display