A ''delayable'' [JSup Animations|animation] can delay the effects produced by the changes of the value of the given expression. For example you want a button to disappear 2 second after a certain event. Then you can set the ''Hide delay'' for the [JSup Visible animation|Visible animation] of the [JSup Graphic objects|graphic object] to 2000ms. Some [JSup Animations|animations] have '''two different delays''' for two different ways of the animation effect. For example a [JSup Visible animation|Visible animation] can define an ''Hide delay'' and a ''Show delay''. Delays must be specified in '''milliseconds'''.