diff --git a/mappings/dcmitype.md b/mappings/dcmitype.md
index 46c89df..60a54a7 100644
--- a/mappings/dcmitype.md
+++ b/mappings/dcmitype.md
@@ -1,20 +1,29 @@
+With Schema.org and DCMITypes it is important to ask are we equating DCMIType to properties of a schema.org "Thing" or are they a type of object. This for example becomes an issue when choosing the right equivelent for DCMIType Sound.
+
 [dcmitype:InteractiveResource](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/InteractiveResource)
 
 [dcmitype:Service](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/Service)
 * Wikidata: [onlineService](https://www.wikidata.org/wiki/Property:P2361)
-* Schema.org: [provider](https://schema.org/provider)
+* Schema.org: [provider](https://schema.org/provider) <-- this is an agent not the service
+* Schema.org: [Service](https://schema.org/Service)
 
 [dcmitype:Software](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/Software)
+* Schema.org: [SoftwareApplication](https://schema.org/SoftwareApplication)
 
 [dcmitype:Sound](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/Sound)
 * Wikidata: [audio](https://www.wikidata.org/wiki/Property:P51)
 * [bibframe_soundcontent](http://id.loc.gov/ontologies/bibframe.html#p_soundContent)
+* Schema.org [audio](https://schema.org/audio)
+* Schema.org [AudioObject](https://schema.org/AudioObject)
 
 [dcmitype:StillImage](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/StillImage)
 * Schema.org: [image](https://schema.org/image)  
 * Wikidata: [image](https://www.wikidata.org/wiki/Property:P18)  
+* Schema.org: [ImageObject](https://schema.org/ImageObject)
+* Schema.org: [VisualArtwork](https://schema.org/VisualArtwork)  
 
 [dcmitype:Text](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/Text)
+* Schema.org [Text](https://schema.org/Text) : This is only a Schema.org Data Type... as such it is not really the same as DCMIType. It is possible that that a more accurate equivelent would be something like Thing > CreativeWork > MediaObject > TextObject ; which doesn't currently (2022) exist.
 
 [dcmitype:Collection](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/Collection)
 * Schema.org: [archiveHeld](https://schema.org/archiveHeld)  
@@ -22,14 +31,18 @@
 * Schema.org: [collection](https://schema.org/collection)
 
 [dcmitype:Dataset](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/Dataset)
+* Schema.org [Dataset](https://schema.org/Dataset)
 
 [dcmitype:Event](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/Event)
 * Schema.org: [events](https://schema.org/events)  
 * Wikidata: [significantEvent](https://www.wikidata.org/wiki/Property:P793)  
 
 [dcmitype:MovingImage](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/MovingImage)
+* Schema.org [VideoObject](https://schema.org/VideoObject)
+* Schema.org [video](https://schema.org/video) <-- This one is a property of "Thing" Which I think matches more closely what DCMIType is indicating.
 
 [dcmitype:Image](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/Image)
-* Wikidata: [image](https://www.wikidata.org/wiki/Property:P18)
+* Wikidata: [image](https://www.wikidata.org/wiki/Property:P18) <-- this can't be true and also true for DCMIType StillImage
+* Schema.org: As of 2022 there is not a super-class that covers both Moving Images and Still Images.
 
 [dcmitype:PhysicalObject](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/dcmitype/PhysicalObject)