The following image shows the structure of the Person business entity:

Person is the root node of the Person business entity. The node type, listed below the node name, indicates the relationship between the parent node and the child node. There is a one-to-one relationship between the Contact Address and the Address, which indicates that each contact address can only have one address associated with it. There is a one-to-many relationship between the Person and the Telephone, which indicates that a Person record can have many telephone number records associated with it. There is a one-to-one relationship between the Person and the Gender, which indicates that a person record can have only one gender value. The gender values reside in a lookup table. Similarly, the state code and country code values reside in lookup tables.