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@@ -1 +1,13 @@
 # Concepts
+
+This page describes concepts that has been introduced with Spotify's
+docs-like-code solution in Backstage.
+
+### Transformers
+
+Transformers is an abstraction of functionality that are responsible for
+different things. The reason to why transformers were introduced is to provide a
+others to be able to switch out transformers as it fits your TechDocs solution.
+
+Interested in how transformers work?
+[Read more here.](../../../plugins/techdocs/src/reader/transformers/README.md)