A display rule is a set of display criteria which are
processed on any view of a design. Display rules allow you to control the
symbology, appearance, and display of design elements based on the property of
an element, named group, view, model, reference, or file.
Display styles are associated with display rules. Each
display rule contains a condition and its recommended action.
A display rule set consists of list of display rules. You
can apply a display rule set to a display style from the Display Styles dialog.
