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 # Concepts
+
+This page describes concepts that has been introduced with Spotify's
+docs-like-code solution in Backstage.
+
+### TechDocs Core Plugin
+
+The TechDocs Core Plugin is a MkDocs plugin created as a wrapper around multiple
+MkDocs plugins and Python Markdown extensions to standardize the configuration
+of MkDocs used for TechDocs.
+
+[TechDocs Core](../../../packages/techdocs-container/techdocs-core/README.md)
+
+### TechDocs container
+
+The TechDocs container is a Docker container available at
+[DockerHub](https://hub.docker.com/r/spotify/techdocs). It builds static HTML
+pages, including stylesheets and scripts from Python flavored Markdown, through
+MkDocs.
+
+[TechDocs Container](../../../packages/techdocs-container/README.md)
+
+### TechDocs publisher (Coming Soon)
+
+### TechDocs CLI
+
+The TechDocs CLI was created to make it easy to write, generate and preview
+documentation for publishing. Currently it mostly acts as a wrapper around the
+TechDocs container and provides a easy to use interface for our docker
+container.
+
+[TechDocs CLI](../../../packages/techdocs-cli/README.md)
+
+### TechDocs Reader
+
+Documentation generated by TechDocs is generated as static html sites. The
+TechDocs Reader was therefore created to be able to integrate pre-generated html
+sites with the Backstage UI.
+
+The TechDocs Reader purpose is also to open up the opportunity to integrate
+TechDocs widgets for a customized full-featured TechDocs experience.
+([Coming Soon V.2](https://github.com/spotify/backstage/milestone/17))
+
+[TechDocs Reader](../../../plugins/techdocs/src/reader/README.md)
+
+### Transformers
+
+Transformers is different pieces of functionality used inside the TechDocs
+Reader. The reason to why transformers were introduced is to provide a way to
+transform the html content on pre and post render. (e.g. rewrite docs links or
+modify css)
+
+[Transformers API docs](../../../plugins/techdocs/src/reader/transformers/README.md)