diff --git a/sections/slides.html b/sections/slides.html
index 1ed5993..5a97bdb 100644
--- a/sections/slides.html
+++ b/sections/slides.html
@@ -392,7 +392,23 @@ <h2 class="anchored" data-anchor-id="good-practises-and-frameworks-flux-and-stoc
 </div>
 </div>
 <p>:::</p>
-<!-- page 21 -->
+<!-- page 22 -->
+</section>
+<section id="data-metadata-definition-2" class="level2">
+<h2 class="anchored" data-anchor-id="data-metadata-definition-2">Data &amp; Metadata : <em>definition</em></h2>
+<div class="columns">
+<div class="column" style="width:50%;">
+<p><img src="images/image-DIKW_Pyramid.svg" class="img-fluid" style="width:70.0%"> <img src="images/image_DataInformationknowledgeHumanities.jpg" class="img-fluid" style="width:80.0%"></p>
+</div><div class="column center" style="width:50%;">
+<p><img src="images/image_DataMetadata.png" class="img-fluid" style="width:100.0%"></p>
+</div>
+</div>
+<p>:::</p>
+<!-- page 23 -->
+</section>
+<section id="data-metadata-definition-3" class="level2">
+<h2 class="anchored" data-anchor-id="data-metadata-definition-3">Data &amp; Metadata : <em>definition</em></h2>
+<p><strong>coming soon</strong></p>
 </section>
 </section>