The radius of the rectangle corner rounding, as a percentage of the media width
The height of the area's rectangle, as a percentage of the media height
The clockwise rotation angle of the rectangle, in degrees; 0-360
The width of the area's rectangle, as a percentage of the media width
The abscissa of the area's center, as a percentage of the media width
The ordinate of the area's center, as a percentage of the media height
Describes the position of a clickable area within a story.