diff --git a/23-049/.asciidoctor/diagram/diag-4da99f3ea39256fc98680ea621a08c02.png.cache b/23-049/.asciidoctor/diagram/diag-4da99f3ea39256fc98680ea621a08c02.png.cache
deleted file mode 100644
index 7b5c8b6c..00000000
--- a/23-049/.asciidoctor/diagram/diag-4da99f3ea39256fc98680ea621a08c02.png.cache
+++ /dev/null
@@ -1 +0,0 @@
-{"checksum":"4da99f3ea39256fc98680ea621a08c02","options":{"size_limit":"4096"},"width":957,"height":902}
\ No newline at end of file
diff --git a/23-049/images/IntervalRelations(CTL).jpg b/23-049/images/IntervalRelations(CTL).jpg
deleted file mode 100644
index 41f29991..00000000
Binary files a/23-049/images/IntervalRelations(CTL).jpg and /dev/null differ
diff --git a/23-049/images/IntervalRelations.jpg b/23-049/images/IntervalRelations.jpg
deleted file mode 100644
index 41f29991..00000000
Binary files a/23-049/images/IntervalRelations.jpg and /dev/null differ
diff --git a/23-049/sections/.asciidoctor/diagram/diag-4da99f3ea39256fc98680ea621a08c02.png.cache b/23-049/sections/.asciidoctor/diagram/diag-4da99f3ea39256fc98680ea621a08c02.png.cache
deleted file mode 100644
index 7b5c8b6c..00000000
--- a/23-049/sections/.asciidoctor/diagram/diag-4da99f3ea39256fc98680ea621a08c02.png.cache
+++ /dev/null
@@ -1 +0,0 @@
-{"checksum":"4da99f3ea39256fc98680ea621a08c02","options":{"size_limit":"4096"},"width":957,"height":902}
\ No newline at end of file
diff --git a/UsefulStuff/README.adoc b/UsefulStuff/README.adoc
new file mode 100644
index 00000000..a993a4ac
--- /dev/null
+++ b/UsefulStuff/README.adoc
@@ -0,0 +1 @@
+This folder contains material that is or maybe useful for the work of the Temporal DWG
diff --git a/UsefulStuff/Vocabularies/README.adoc b/UsefulStuff/Vocabularies/README.adoc
new file mode 100644
index 00000000..546c7d18
--- /dev/null
+++ b/UsefulStuff/Vocabularies/README.adoc
@@ -0,0 +1 @@
+This folder contains various glossaries, vocabularies, definitions, etc that may be useful for the Temporal DWG
diff --git a/23-049/sections/images/AbstractTemporalModel.png b/UsefulStuff/images/AbstractTemporalModel.png
similarity index 100%
rename from 23-049/sections/images/AbstractTemporalModel.png
rename to UsefulStuff/images/AbstractTemporalModel.png
diff --git a/23-049/sections/images/Calendar.png b/UsefulStuff/images/Calendar.png
similarity index 100%
rename from 23-049/sections/images/Calendar.png
rename to UsefulStuff/images/Calendar.png
diff --git a/23-049/sections/images/Calendar_Date.png b/UsefulStuff/images/Calendar_Date.png
similarity index 100%
rename from 23-049/sections/images/Calendar_Date.png
rename to UsefulStuff/images/Calendar_Date.png
diff --git a/23-049/sections/images/Context.png b/UsefulStuff/images/Context.png
similarity index 100%
rename from 23-049/sections/images/Context.png
rename to UsefulStuff/images/Context.png
diff --git a/23-049/sections/images/Coordinate.png b/UsefulStuff/images/Coordinate.png
similarity index 100%
rename from 23-049/sections/images/Coordinate.png
rename to UsefulStuff/images/Coordinate.png
diff --git a/23-049/sections/images/GeologicTimescale.png b/UsefulStuff/images/GeologicTimescale.png
similarity index 100%
rename from 23-049/sections/images/GeologicTimescale.png
rename to UsefulStuff/images/GeologicTimescale.png
diff --git a/23-049/sections/images/IntervalRelations.png b/UsefulStuff/images/IntervalRelations.png
similarity index 100%
rename from 23-049/sections/images/IntervalRelations.png
rename to UsefulStuff/images/IntervalRelations.png
diff --git a/23-049/sections/images/Ontology.png b/UsefulStuff/images/Ontology.png
similarity index 100%
rename from 23-049/sections/images/Ontology.png
rename to UsefulStuff/images/Ontology.png
diff --git a/UsefulStuff/images/README.adoc b/UsefulStuff/images/README.adoc
new file mode 100644
index 00000000..e3a94dd0
--- /dev/null
+++ b/UsefulStuff/images/README.adoc
@@ -0,0 +1 @@
+Diagrams and pictures for use in Temporal DWG work
diff --git a/23-049/sections/images/Screenshot 2023-02-15 172335.png b/UsefulStuff/images/Screenshot 2023-02-15 172335.png
similarity index 100%
rename from 23-049/sections/images/Screenshot 2023-02-15 172335.png
rename to UsefulStuff/images/Screenshot 2023-02-15 172335.png
diff --git a/23-049/sections/images/Temporal.png b/UsefulStuff/images/Temporal.png
similarity index 100%
rename from 23-049/sections/images/Temporal.png
rename to UsefulStuff/images/Temporal.png
diff --git a/23-049/sections/images/TemporalCRS.png b/UsefulStuff/images/TemporalCRS.png
similarity index 100%
rename from 23-049/sections/images/TemporalCRS.png
rename to UsefulStuff/images/TemporalCRS.png
diff --git a/23-049/sections/images/TemporalCoordinateReferenceSystem.png b/UsefulStuff/images/TemporalCoordinateReferenceSystem.png
similarity index 100%
rename from 23-049/sections/images/TemporalCoordinateReferenceSystem.png
rename to UsefulStuff/images/TemporalCoordinateReferenceSystem.png
diff --git a/23-049/sections/images/TemporalCoordinateReferenceSystemTransformations.png b/UsefulStuff/images/TemporalCoordinateReferenceSystemTransformations.png
similarity index 100%
rename from 23-049/sections/images/TemporalCoordinateReferenceSystemTransformations.png
rename to UsefulStuff/images/TemporalCoordinateReferenceSystemTransformations.png
diff --git a/23-049/sections/images/TemporalDuration.png b/UsefulStuff/images/TemporalDuration.png
similarity index 100%
rename from 23-049/sections/images/TemporalDuration.png
rename to UsefulStuff/images/TemporalDuration.png
diff --git a/23-049/sections/images/TemporalEntity.png b/UsefulStuff/images/TemporalEntity.png
similarity index 100%
rename from 23-049/sections/images/TemporalEntity.png
rename to UsefulStuff/images/TemporalEntity.png
diff --git a/23-049/sections/images/TemporalOrdinalReferenceSystem.png b/UsefulStuff/images/TemporalOrdinalReferenceSystem.png
similarity index 100%
rename from 23-049/sections/images/TemporalOrdinalReferenceSystem.png
rename to UsefulStuff/images/TemporalOrdinalReferenceSystem.png
diff --git a/23-049/sections/images/TemporalPosition.png b/UsefulStuff/images/TemporalPosition.png
similarity index 100%
rename from 23-049/sections/images/TemporalPosition.png
rename to UsefulStuff/images/TemporalPosition.png
diff --git a/23-049/sections/images/TemporalReferenceSystem.png b/UsefulStuff/images/TemporalReferenceSystem.png
similarity index 100%
rename from 23-049/sections/images/TemporalReferenceSystem.png
rename to UsefulStuff/images/TemporalReferenceSystem.png
diff --git a/23-049/sections/images/Transforms.png b/UsefulStuff/images/Transforms.png
similarity index 100%
rename from 23-049/sections/images/Transforms.png
rename to UsefulStuff/images/Transforms.png
diff --git a/23-049/sections/images/cenozoic.png b/UsefulStuff/images/cenozoic.png
similarity index 100%
rename from 23-049/sections/images/cenozoic.png
rename to UsefulStuff/images/cenozoic.png
diff --git a/23-049/images/diag-4da99f3ea39256fc98680ea621a08c02.png b/UsefulStuff/images/diag-4da99f3ea39256fc98680ea621a08c02.png
similarity index 100%
rename from 23-049/images/diag-4da99f3ea39256fc98680ea621a08c02.png
rename to UsefulStuff/images/diag-4da99f3ea39256fc98680ea621a08c02.png