Used wherever a name value pair is appropriate. The name is given by the attribute while the value is the element content. Supports configurability attributes and a cross reference XPath expression. The name in a name-value pair. Name value pair with data type information. The data type of the argumen as pertains to the language. Example: "int", "double", "char *". A container for any data that is specific to this instance of the design object. The contents are not interpreted or validated by the Design Environment. This element will be saved with the design and restored when the design is loaded. It is indended to be used by generators to store and retrieve instance specific data. A name value pair. The name is in given by the name attribute. The value is in the text content of the element. This element supports all configurability attributes. It also supports a cross reference attribute which allows it to be associated with other elements in the document through an XPath expression. A group of parameters. Container for vendor specific extensions. Accepts any element(s) the content provider wants to put here, including elements from the SPIRIT namespace.