B Abstract and Transfer Syntaxes (Informative)
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# B Abstract and Transfer Syntaxes (Informative)

## B.1 Abstract Syntax Definition

An Abstract Syntax is the specification of Application Layer data elements with associated semantics or Application Layer protocol control information by using notation rules that are independent of the encoding technique used to represent them.

### Note

In particular, it allows the communicating Application Entities to negotiate an agreed set of DICOM Data Elements (e.g., from a specific version of the Data Dictionary) and/or Information Object Class definitions.

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A.2 DICOM Application Context Name Encoding and Registration | Home | B.2 Transfer Syntax Definition