========================== Data Content and Structure ========================== A data model is included (Appendix A) with an associated data dictionary (Appendix B). ------------------ Feature-based data ------------------ The feature type is based on a spatial polygon for the various postcode areas. The table below outlines the features and their integration into the datasets. .. csv-table:: Feature Based Data. :header-rows: 1 :file: data_content_and_structure/feature_based_data.csv --------------------------------------------- Feature-based application schema (data model) --------------------------------------------- The data model is set out in Appendix A. --------------- Data Dictionary --------------- The feature catalogue in support to the application schema is provided in Appendix B. Spatial attributes are added to the feature catalogue in the same manner as other attributes for completeness and conformance to the application schema. The following table refers to all tables in the Feature Catalogue below. .. csv-table:: Feature Catalogue. :header-rows: 1 :file: data_content_and_structure/feature_catalogue.csv For all tables the Persistent Identifier (_PID), DATE_CREATED and DATE_RETIRED fields are governed by the ICSM Policy and Guidelines for Incremental Update. This can be accessed by following the link below. `www.icsm.gov.au/sites/default/files/2017-03/incremental_up-date_guidelines.pdf `_ --------------------------- Feature-based content scope --------------------------- Postcodes are allocated only to areas where Australia Post operates a delivery network and where gazetted suburbs/localities exist. Postcode boundaries generally do not capture areas outside gazetted suburbs/localities or other mailing addresses such as PO Boxes, Mail Centres or large volume recipients.