6cdd3854__Short_History_of_Usage_Rights__XrML_2_0
[MPEG-21] Play [RDD Definition] To Derive a Transient and directly Perceivable representation of a Resource. Play covers the making of any forms of Transient representation that can be Perceived directly (that is, without any intermediary process) with at least one of the five human senses. Play includes playing a video or audio clip, displaying an image or text document, or creating Transient representations that can be touched, or Perceived to be touched. When Play is applied to a DigitalResource, content can be rendered in any order or sequence according to the technical constraints of the DigitalResource and renderer. [XrML 2.0] 
play
e d i t
d e l e t e
e m b e d
e d i t ?
e x e c u t e
i n s t a l l
p l a y
p r i n t
u n i n s t a l l
XrML - A Short History of Usage Rights
XrML 2.0