<font color="#29313b">To illustrate, consider an example well-known to all of us.</font><br/><font color="#29313b">The Smith’ Family is composed of four members</font><br/><ul> <li><font color="#29313b">Mr. John Smith, the father</font></li><li><font color="#29313b">Mrs. Mary Smith the mother,</font></li><li><font color="#29313b">Mr. Richard Smith the son,</font></li><li><font color="#29313b">and Miss Kathy Smith the daughter.</font></li></ul> <font color="#29313b">Each person plays a specific role in the Family.</font><br/><font color="#29313b">Mary Smith also plays the role of Chairwoman and Member in a Bridge Club.</font><br/>