DICOM General Purpose Worklist (GPWL) is a means to allow reporting of other worklists to be shared between systems in a vendor neutral manner.

WADO is a protocol (defined in DICOM Part 18) for retrieving DICOM Composite Instances using the http or https protocols.

A Presentation State is an independent DICOM SOP Instance that contains information on how a particular image should be displayed.

Calculating windowing width and level from Image pixel data can be done via accessing the raw pixel data and applying your own algorithm or via the DicomObjects method SetDefaultWindows of the DicomImage object.

Overview Modality Worklist, enables primary imaging equipment (modalities) to query (using C-FIND) for Patient Demographics and Study Details from the MWL SCP, normally part of the RIS,.

How overlay data is stored There are two ways to store overlays in DICOM Image: