Changes
A layer covers the whole physical area of its target, i.e. the dimensions of the page of a document.
===HotSpot/Annotation===
A HotSpot is a single data object that sits on a layer and typically has a visual representation, such as the value of a property it represents.
* [[SYSCLS ANNOTATION]]
* [[SYSCLS HOTSPOT]]
* [[HotSpotting (Plugin)]]
