diff --git a/app/code/Magento/BundleImportExport/README.md b/app/code/Magento/BundleImportExport/README.md
index faabeefc79292..683b338487d66 100644
--- a/app/code/Magento/BundleImportExport/README.md
+++ b/app/code/Magento/BundleImportExport/README.md
@@ -1,2 +1,12 @@
-Magento_BundleImportExport module implements Bundle products import/export functionality.
+#Magento_BundleImportExport module
+This module implements Bundle products import/export functionality.
+
 This module is designed to extend existing functionality of Magento_CatalogImportExport module by adding new product type.
+
+## Extensibility
+
+Extension developers can interact with the Magento_CatalogUrlRewrite module. For more information about the Magento extension mechanism, see [Magento plugins](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_CatalogUrlRewrite module.
+
+A lot of functionality in the module is on JavaScript, use [mixins](https://devdocs.magento.com/guides/v2.4/javascript-dev-guide/javascript/js_mixins.html) to extend it.
diff --git a/app/code/Magento/CatalogGraphQl/README.md b/app/code/Magento/CatalogGraphQl/README.md
index 7e15f09e2551a..2b7ec9a1c78f1 100644
--- a/app/code/Magento/CatalogGraphQl/README.md
+++ b/app/code/Magento/CatalogGraphQl/README.md
@@ -1,4 +1,12 @@
-# CatalogGraphQl
+# CatalogGraphQl module
 
 **CatalogGraphQl** provides type and resolver information for the GraphQl module
 to generate catalog and product information endpoints.
+
+## Extensibility
+
+Extension developers can interact with the Magento_CatalogUrlRewrite module. For more information about the Magento extension mechanism, see [Magento plugins](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_CatalogUrlRewrite module.
+
+A lot of functionality in the module is on JavaScript, use [mixins](https://devdocs.magento.com/guides/v2.4/javascript-dev-guide/javascript/js_mixins.html) to extend it.
diff --git a/app/code/Magento/CatalogImportExport/README.md b/app/code/Magento/CatalogImportExport/README.md
new file mode 100644
index 0000000000000..c31acba63ffe2
--- /dev/null
+++ b/app/code/Magento/CatalogImportExport/README.md
@@ -0,0 +1,11 @@
+# Magento_CatalogImportExport module
+
+This module implements catalog import and export functionality. 
+
+## Extensibility
+
+Extension developers can interact with the Magento_CatalogUrlRewrite module. For more information about the Magento extension mechanism, see [Magento plugins](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_CatalogUrlRewrite module.
+
+A lot of functionality in the module is on JavaScript, use [mixins](https://devdocs.magento.com/guides/v2.4/javascript-dev-guide/javascript/js_mixins.html) to extend it.
\ No newline at end of file
diff --git a/app/code/Magento/ConfigurableImportExport/README.md b/app/code/Magento/ConfigurableImportExport/README.md
new file mode 100644
index 0000000000000..50c566c32c22d
--- /dev/null
+++ b/app/code/Magento/ConfigurableImportExport/README.md
@@ -0,0 +1,12 @@
+#Magento_ConfigurableImportExport module 
+This module implements Configurable products import/export functionality.
+
+This module is designed to extend existing functionality of Magento_CatalogImportExport module by adding new product type.
+
+## Extensibility
+
+Extension developers can interact with the Magento_CatalogUrlRewrite module. For more information about the Magento extension mechanism, see [Magento plugins](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_CatalogUrlRewrite module.
+
+A lot of functionality in the module is on JavaScript, use [mixins](https://devdocs.magento.com/guides/v2.4/javascript-dev-guide/javascript/js_mixins.html) to extend it.
diff --git a/app/code/Magento/TaxImportExport/README.md b/app/code/Magento/TaxImportExport/README.md
new file mode 100644
index 0000000000000..a9bb2ba57373f
--- /dev/null
+++ b/app/code/Magento/TaxImportExport/README.md
@@ -0,0 +1,10 @@
+# Magento_TaxImportExport module
+This module implements tax import/export functionality.
+
+## Extensibility
+
+Extension developers can interact with the Magento_CatalogUrlRewrite module. For more information about the Magento extension mechanism, see [Magento plugins](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_CatalogUrlRewrite module.
+
+A lot of functionality in the module is on JavaScript, use [mixins](https://devdocs.magento.com/guides/v2.4/javascript-dev-guide/javascript/js_mixins.html) to extend it.
\ No newline at end of file