This example shows how to add textual descriptions to shapes, how to position them over the shapes, and customize the description's position and appearance. To change the position of the description, select a node and choose the template in the property panel. The Annotations property can be used to add descriptions.

The Offset, HorizontalAlignment, and VerticalAlignment properties are used to customize the position of the descriptions. The Bold, Italic, FontSize, and FontFamily properties are used to customize the appearance of the descriptions.