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 PS 3.1:

- Attribute

3.2 DICOM Information object definition

This part of the standard makes use of the following term defined in PS 3.3:

- Attribute Tag

3.3 DICOM Data structures and encoding definitions

This part of the standard makes use of the following terms defined in PS 3.5:

a. Data Element

b. Data Element Tag

c. Element Number

d. Group Number

e. Repeating Group

f. Retired Data Element

g. Standard Data Element

h. Value Multiplicity (VM)

i. 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.