diff --git a/Modules/DICOMReader/Resources/configurations/3D/classicreader.xml b/Modules/DICOMReader/Resources/configurations/3D/classicreader.xml
index ee3e6c3053..2765df8827 100644
--- a/Modules/DICOMReader/Resources/configurations/3D/classicreader.xml
+++ b/Modules/DICOMReader/Resources/configurations/3D/classicreader.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" standalone=no>
 <DICOMFileReader
-  label="2013 default"
-  description="Legacy sorting of 2013"
+  label="2013 default sorting"
+  description="Sort images by Image Position, then by Acquisition Number, Acq. Time, Trigger time, group tilted images"
   class="ClassicDICOMSeriesReader"
   version="1"
   group3DnT="false"
   fixTiltByShearing="true"
   >
 </DICOMFileReader>
diff --git a/Modules/DICOMReader/Resources/configurations/3D/imageposition.xml b/Modules/DICOMReader/Resources/configurations/3D/imageposition.xml
index 6d82712605..2f12235624 100644
--- a/Modules/DICOMReader/Resources/configurations/3D/imageposition.xml
+++ b/Modules/DICOMReader/Resources/configurations/3D/imageposition.xml
@@ -1,25 +1,25 @@
 <?xml version="1.0" standalone=no>
 <DICOMFileReader
   label="Image Position"
-  description="Sort by Image Position (Patient)"
+  description="Sort images by Image Position (Patient)"
   class="DICOMITKSeriesGDCMReader"
   version="1"
   fixTiltByShearing="true">
 <DICOMDatasetSorter class="DICOMTagBasedSorter" strictSorting="false" expectDistanceOne="false">
   <Distinguishing>
    <Tag name="SeriesInstanceUID" group="0020" element="000e"/>
    <Tag name="SeriesDescription" group="0008" element="103e"/>
    <Tag name="ProtocolName" group="0018" element="1030"/>
    <Tag name="SeriesNumber" group="0020" element="0011"/>
    <Tag name="Modality" group="0x0008" element="0x0060"/>
    <Tag name="BodyPartExamined" group="0x0018" element="0x0015"/>
    <Tag name="SequenceName" group="0x0018" element="0x0024"/>
   </Distinguishing>
   <Sorting>
    <ImagePositionPatient/>
    <Tag name="AcquisitionTime" group="0x0008" element="0x0032"/>
    <Tag name="TriggerTime" group="0x0018" element="0x1060"/>
    <Tag name="SOPInstanceUID" group="0x0008" element="0x0018"/>
   </Sorting>
 </DICOMDatasetSorter>
 </DICOMFileReader>
diff --git a/Modules/DICOMReader/Resources/configurations/3D/imageposition_byacquisition.xml b/Modules/DICOMReader/Resources/configurations/3D/imageposition_byacquisition.xml
index 031eb7a34f..0ae9f9995e 100644
--- a/Modules/DICOMReader/Resources/configurations/3D/imageposition_byacquisition.xml
+++ b/Modules/DICOMReader/Resources/configurations/3D/imageposition_byacquisition.xml
@@ -1,26 +1,26 @@
 <?xml version="1.0" standalone=no>
 <DICOMFileReader
-  label="Image Position (A)"
-  description="Sort by Image Position (Patient)"
+  label="Image Position by Acquisition"
+  description="Group images by Acquistion, then sort groups by Image Position (Patient)"
   class="DICOMITKSeriesGDCMReader"
   version="1"
   fixTiltByShearing="true">
 <DICOMDatasetSorter class="DICOMTagBasedSorter" strictSorting="false" expectDistanceOne="false">
   <Distinguishing>
    <Tag name="SeriesInstanceUID" group="0020" element="000e"/>
    <Tag name="SeriesDescription" group="0008" element="103e"/>
    <Tag name="ProtocolName" group="0018" element="1030"/>
    <Tag name="SeriesNumber" group="0020" element="0011"/>
    <Tag name="AcquisitionNumber" group="0x0020" element="0x0012"/>
    <Tag name="Modality" group="0x0008" element="0x0060"/>
    <Tag name="BodyPartExamined" group="0x0018" element="0x0015"/>
    <Tag name="SequenceName" group="0x0018" element="0x0024"/>
   </Distinguishing>
   <Sorting>
    <ImagePositionPatient/>
    <Tag name="AcquisitionTime" group="0x0008" element="0x0032"/>
    <Tag name="TriggerTime" group="0x0018" element="0x1060"/>
    <Tag name="SOPInstanceUID" group="0x0008" element="0x0018"/>
   </Sorting>
 </DICOMDatasetSorter>
 </DICOMFileReader>
diff --git a/Modules/DICOMReader/Resources/configurations/3D/imagetime.xml b/Modules/DICOMReader/Resources/configurations/3D/imagetime.xml
index d705ba630b..ded67081e6 100644
--- a/Modules/DICOMReader/Resources/configurations/3D/imagetime.xml
+++ b/Modules/DICOMReader/Resources/configurations/3D/imagetime.xml
@@ -1,24 +1,24 @@
 <?xml version="1.0" standalone=no>
 <DICOMFileReader
   label="Image Time"
-  description="Sort by Acqusition Time"
+  description="Sort images by Acqusition Time"
   class="DICOMITKSeriesGDCMReader"
   version="1"
   fixTiltByShearing="true">
 <DICOMDatasetSorter class="DICOMTagBasedSorter">
   <Distinguishing>
    <Tag name="SeriesInstanceUID" group="0020" element="000e"/>
    <Tag name="SeriesDescription" group="0008" element="103e"/>
    <Tag name="ProtocolName" group="0018" element="1030"/>
    <Tag name="SeriesNumber" group="0020" element="0011"/>
    <Tag name="AcquisitionNumber" group="0x0020" element="0x0012"/>
    <Tag name="Modality" group="0x0008" element="0x0060"/>
    <Tag name="BodyPartExamined" group="0x0018" element="0x0015"/>
    <Tag name="SequenceName" group="0x0018" element="0x0024"/>
   </Distinguishing>
   <Sorting>
    <Tag name="AcquisitionTime" group="0x0008" element="0x0032"/>
    <Tag name="SOPInstanceUID" group="0x0008" element="0x0018"/>
   </Sorting>
 </DICOMDatasetSorter>
 </DICOMFileReader>
diff --git a/Modules/DICOMReader/Resources/configurations/3D/instancenumber.xml b/Modules/DICOMReader/Resources/configurations/3D/instancenumber.xml
index 691e0cee0f..4734b3bafb 100644
--- a/Modules/DICOMReader/Resources/configurations/3D/instancenumber.xml
+++ b/Modules/DICOMReader/Resources/configurations/3D/instancenumber.xml
@@ -1,24 +1,24 @@
 <?xml version="1.0" standalone=no>
 <DICOMFileReader
-  label="Instance Number"
-  description="Sort by Instance Number"
+  label="Instance Number, consecutive"
+  description="Sort images by Instance Number, require equal distances of 1"
   class="DICOMITKSeriesGDCMReader"
   version="1"
   fixTiltByShearing="true">
 <DICOMDatasetSorter class="DICOMTagBasedSorter" strictSorting="true" expectDistanceOne="true">
   <Distinguishing>
    <Tag name="SeriesInstanceUID" group="0020" element="000e"/>
    <Tag name="SeriesDescription" group="0008" element="103e"/>
    <Tag name="ProtocolName" group="0018" element="1030"/>
    <Tag name="SeriesNumber" group="0020" element="0011"/>
    <Tag name="AcquisitionNumber" group="0x0020" element="0x0012"/>
    <Tag name="Modality" group="0x0008" element="0x0060"/>
    <Tag name="BodyPartExamined" group="0x0018" element="0x0015"/>
    <Tag name="SequenceName" group="0x0018" element="0x0024"/>
   </Distinguishing>
   <Sorting>
    <Tag name="InstanceNumber" group="0x0020" element="0x0013"/>
    <Tag name="SOPInstanceUID" group="0x0008" element="0x0018"/>
   </Sorting>
 </DICOMDatasetSorter>
 </DICOMFileReader>
diff --git a/Modules/DICOMReader/Resources/configurations/3D/instancenumber_soft.xml b/Modules/DICOMReader/Resources/configurations/3D/instancenumber_soft.xml
index ec9a5a1b00..4e6d50f26f 100644
--- a/Modules/DICOMReader/Resources/configurations/3D/instancenumber_soft.xml
+++ b/Modules/DICOMReader/Resources/configurations/3D/instancenumber_soft.xml
@@ -1,24 +1,24 @@
 <?xml version="1.0" standalone=no>
 <DICOMFileReader
-  label="Instance Number (soft)"
-  description="Sort by Instance Number (non-strict)"
+  label="Instance Number, non-consecutive"
+  description="Sort images by Instance Number, do not require consecutive numbers"
   class="DICOMITKSeriesGDCMReader"
   version="1"
   fixTiltByShearing="true">
 <DICOMDatasetSorter class="DICOMTagBasedSorter" strictSorting="false" expectDistanceOne="false">
   <Distinguishing>
    <Tag name="SeriesInstanceUID" group="0020" element="000e"/>
    <Tag name="SeriesDescription" group="0008" element="103e"/>
    <Tag name="ProtocolName" group="0018" element="1030"/>
    <Tag name="SeriesNumber" group="0020" element="0011"/>
    <Tag name="AcquisitionNumber" group="0x0020" element="0x0012"/>
    <Tag name="Modality" group="0x0008" element="0x0060"/>
    <Tag name="BodyPartExamined" group="0x0018" element="0x0015"/>
    <Tag name="SequenceName" group="0x0018" element="0x0024"/>
   </Distinguishing>
   <Sorting>
    <Tag name="InstanceNumber" group="0x0020" element="0x0013"/>
    <Tag name="SOPInstanceUID" group="0x0008" element="0x0018"/>
   </Sorting>
 </DICOMDatasetSorter>
 </DICOMFileReader>
diff --git a/Modules/DICOMReader/Resources/configurations/3D/slicelocation.xml b/Modules/DICOMReader/Resources/configurations/3D/slicelocation.xml
index 6ee69fda1b..3949171ad6 100644
--- a/Modules/DICOMReader/Resources/configurations/3D/slicelocation.xml
+++ b/Modules/DICOMReader/Resources/configurations/3D/slicelocation.xml
@@ -1,24 +1,24 @@
 <?xml version="1.0" standalone=no>
 <DICOMFileReader
   label="Slice Location"
-  description="Sort by Slice Location"
+  description="Sort images by Slice Location, require equal distance between locations"
   class="DICOMITKSeriesGDCMReader"
   version="1"
   fixTiltByShearing="true">
 <DICOMDatasetSorter class="DICOMTagBasedSorter" strictSorting="true" expectDistanceOne="false">
   <Distinguishing>
    <Tag name="SeriesInstanceUID" group="0020" element="000e"/>
    <Tag name="SeriesDescription" group="0008" element="103e"/>
    <Tag name="ProtocolName" group="0018" element="1030"/>
    <Tag name="SeriesNumber" group="0020" element="0011"/>
    <Tag name="AcquisitionNumber" group="0x0020" element="0x0012"/>
    <Tag name="Modality" group="0x0008" element="0x0060"/>
    <Tag name="BodyPartExamined" group="0x0018" element="0x0015"/>
    <Tag name="SequenceName" group="0x0018" element="0x0024"/>
   </Distinguishing>
   <Sorting>
    <Tag name="SliceLocation" group="0x0020" element="0x1041"/>
    <Tag name="SOPInstanceUID" group="0x0008" element="0x0018"/>
   </Sorting>
 </DICOMDatasetSorter>
 </DICOMFileReader>