DICOM PS3.6 2020c - Data Dictionary

3 Definitions (Current)
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# 3 Definitions

For the purposes of this Standard, the following definitions apply.

## 3.1 DICOM Introduction and Overview Definition

This Part of the Standard makes use of the following term defined in PS3.1:

Attribute

  Attribute.

Service-Object Pair Class (SOP Class)

  Service-Object Pair Class (SOP Class).

## 3.2 DICOM Information Object Definition

This Part of the Standard makes use of the following term defined in PS3.3:

Attribute Tag

  AttributeTag.

## 3.3 DICOM Data Structures and Encoding Definitions

This Part of the Standard makes use of the following terms defined in PS3.5:

Data Element

  Data Element

Data Element Tag

  Data Element Tag

Element Number

  Element Number

Group Number

  Group Number

Repeating Group

  Repeating Group

Retired Data Element

  Retired Data Element

Standard Data Element

  Standard Data Element

Value Multiplicity (VM)

  Value Multiplicity (VM)

Value Representation (VR)

  Value Representation (VR)

## 3.4 DICOM Data Dictionary

The following definition is commonly used in this Standard:

Tag

  A unique identifier for an element of information composed of an ordered pair of numbers (a Group Number followed by an Element Number), which is used to identify Attributes and corresponding Data Elements.

## 3.5 DICOM Service Class Specifications Definitions

This Part of the Standard makes use of the following terms defined in PS3.4:

Service-Object Pair Instance (SOP Instance)

  Service-Object Pair Instance (SOP Instance)

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DICOM PS3.6 2020c - Data Dictionary