| Welcome to the NHS Data Model and Dictionary Help Pages 
 Please note that the icons are not hyperlinks. | 
| ITEM NAME | DESCRIPTION | NAVIGATION | HELP | DEMONSTRATIONS | 
| About Us | The NHS Data Model and Dictionary is maintained by the NHS Data Model and Dictionary Service | None | About Us Help | None | 
| All Item Index (A-Z) | The NHS Data Model and Dictionary has an All Items Index which lists all the items in the dictionary in alphabetical order | All Items Index (A-Z) | All Items Index Help | All Items Index Demonstration | 
| Attributes | An Attribute is the detailed information that describes a Class | Attributes | Attributes Help | Attributes Demonstration | 
| Background | The NHS Data Model and Dictionary provides a reference point for assured information standards within the NHS in England | None | Background | None | 
| Classes | A Class is something that you want to describe and the Attributes define the detail for the Class | Classes | Classes Help | Classes Demonstration | 
| Commissioning Data Sets | The Commissioning Data Set is the basic structure used for the submission of commissioning data to the Secondary Uses Service | Commissioning Data Sets | Commissioning Data Sets Help | Commissioning Data Set Redesign Guidance Notes ** | 
| Data Collections | A Data Collection or Data Set is a group of Data Elements that are required to support business analysis | Data Collections | Data Collections Help | Data Collections Demonstration | 
| Data Elements | A Data Element is the definition of the information which usually flows in a Data Set. In addition, they can contain text providing guidance, support, values or other information | Data Elements | Data Elements Help | Data Elements Demonstration | 
| Data Modelling Introduction | The NHS Data Model and Dictionary is made up of a number of components | None | Data Modelling Introduction | NHS Data Model and Dictionary Components | 
| Demonstrations | A number of short demonstrations are available which will take you through the NHS Data Model and Dictionary components | None | Demonstrations | None | 
| Diagrams | The NHS Data Model and Dictionary has a small set of diagrams which represent parts of the NHS Data Model | Diagrams | Diagrams Help | Diagrams Demonstration | 
| Help Introduction | The NHS Data Model and Dictionary Help Introduction Page will help direct you to the information you require | None | Help | None | 
| Maintenance | The NHS Data Model and Dictionary Service are approached when changes to information standards are required | None | Maintenance | NHS Data Model and Dictionary Maintenance Process | 
| Navigation | There are many ways to navigate the NHS Data Model and Dictionary. | None | Navigation | None | 
| NHS Business Definitions | Each NHS Business Definition consists of freestanding text which describes an aspect of NHS activity | NHS Business Definitions | NHS Business Definitions Help | NHS Business Definitions Demonstration | 
| Related ISN/DSCN | The Related DSCN/ISN link shows which Information Standards Notice or Data Set Change Notice made changes to an item | Main Menu | Related DSCN-ISN Help | Related DSCN/ISN Demonstration | 
| Search | The NHS Data Model and Dictionary has a Quick Search Facility on every page and an Advanced Search Facility on the front page | Main Menu and Advanced Search | Search Help | Search Demonstration | 
| Supporting Information | Supporting Information provides information to help users understand and use the NHS Data Model and Dictionary | Supporting Information | Supporting Information Help | Supporting Information Demonstration | 
| What's New | The What's New page shows the information standards that have been incorporated into each release of the NHS Data Model and Dictionary | What's New | What's New Help | What's New Demonstration | 
** This is not a demonstration, guidance is available on the new Commissioning Data Set Layout.
Please note that the information contained in the demonstrations was correct at the time of publication.


