7.3 Modeling the Structure and Characteristics of Blocks Using Properties
Properties are structural features of a block. A property has a type that defines its characteristics, which may be another block, or some more basic type such as an integer. This section describes three categories of property and their uses.
Part properties (parts for short) describe the decomposition of a block into its constituent elements. These are described in Section 7.3.1.
Reference properties are properties whose values refer to parts of other blocks, and are described ...