Model Group Definition ( Schema Component Definition Component Secondary Component )
Names
Model Group Definition
Model Group Definitions
Subject Indicators
http://www.techquila.com/psi/xmlschema/component/cModel_Group_Definitions
Description
A model group is a constraint in the form of a grammar fragment that applies to lists of element information items. It consists of a list of particles, i.e. element declarations, wildcards and model groups.