z-order

Alternative forms

 * Z-order

Etymology
, analogous to.

Noun

 * 1)  The order in which objects should be drawn in order to display correctly.
 * When you click on a window it is brought to the top of the z-order so that you can see it.
 * 1)  A property of a graphical object that indicates its position in the z-order.
 * To get the rectangle to hide some of the text, make its z-order higher.

Synonyms

 * z-index