diff --git a/core/lib/Drupal/Core/Entity/EntityAccessControlHandler.php b/core/lib/Drupal/Core/Entity/EntityAccessControlHandler.php
index 0994cba..8a25c2a 100644
--- a/core/lib/Drupal/Core/Entity/EntityAccessControlHandler.php
+++ b/core/lib/Drupal/Core/Entity/EntityAccessControlHandler.php
@@ -121,10 +121,9 @@ protected function processAccessHookResults(array $access) {
    * do their own custom access checking.
    *
    * @param \Drupal\Core\Entity\EntityInterface $entity
-   *   The entity for which to check 'create' access.
+   *   The entity for which to check access.
    * @param string $operation
-   *   The entity operation. Usually one of 'view', 'update', 'create' or
-   *   'delete'.
+   *   The entity operation. Usually one of 'view', 'update' or 'delete'.
    * @param string $langcode
    *   The language code for which to check access.
    * @param \Drupal\Core\Session\AccountInterface $account
diff --git a/core/themes/bartik/templates/block--search-form-block.html.twig b/core/themes/bartik/templates/block--search-form-block.html.twig
index 3c262d3..b2af1ed 100644
--- a/core/themes/bartik/templates/block--search-form-block.html.twig
+++ b/core/themes/bartik/templates/block--search-form-block.html.twig
@@ -1,4 +1,4 @@
-{% extends "@classy/search/block--search-form-block.html.twig" %}
+{% extends "@classy/block/block--search-form-block.html.twig" %}
 {#
 /**
  * @file
diff --git a/core/themes/bartik/templates/block--system-menu-block.html.twig b/core/themes/bartik/templates/block--system-menu-block.html.twig
index 7934001..97f2ca4 100644
--- a/core/themes/bartik/templates/block--system-menu-block.html.twig
+++ b/core/themes/bartik/templates/block--system-menu-block.html.twig
@@ -1,4 +1,4 @@
-{% extends "@classy/system/block--system-menu-block.html.twig" %}
+{% extends "@classy/block/block--system-menu-block.html.twig" %}
 {#
 /**
  * @file
diff --git a/core/themes/classy/templates/block/block-list.html.twig b/core/themes/classy/templates/admin/block-list.html.twig
similarity index 100%
rename from core/themes/classy/templates/block/block-list.html.twig
rename to core/themes/classy/templates/admin/block-list.html.twig
diff --git a/core/themes/classy/templates/image/image-anchor.html.twig b/core/themes/classy/templates/admin/image-anchor.html.twig
similarity index 100%
rename from core/themes/classy/templates/image/image-anchor.html.twig
rename to core/themes/classy/templates/admin/image-anchor.html.twig
diff --git a/core/themes/classy/templates/image/image-crop-summary.html.twig b/core/themes/classy/templates/admin/image-crop-summary.html.twig
similarity index 100%
rename from core/themes/classy/templates/image/image-crop-summary.html.twig
rename to core/themes/classy/templates/admin/image-crop-summary.html.twig
diff --git a/core/themes/classy/templates/image/image-resize-summary.html.twig b/core/themes/classy/templates/admin/image-resize-summary.html.twig
similarity index 100%
rename from core/themes/classy/templates/image/image-resize-summary.html.twig
rename to core/themes/classy/templates/admin/image-resize-summary.html.twig
diff --git a/core/themes/classy/templates/image/image-rotate-summary.html.twig b/core/themes/classy/templates/admin/image-rotate-summary.html.twig
similarity index 100%
rename from core/themes/classy/templates/image/image-rotate-summary.html.twig
rename to core/themes/classy/templates/admin/image-rotate-summary.html.twig
diff --git a/core/themes/classy/templates/image/image-scale-summary.html.twig b/core/themes/classy/templates/admin/image-scale-summary.html.twig
similarity index 100%
rename from core/themes/classy/templates/image/image-scale-summary.html.twig
rename to core/themes/classy/templates/admin/image-scale-summary.html.twig
diff --git a/core/themes/classy/templates/image/image-style-preview.html.twig b/core/themes/classy/templates/admin/image-style-preview.html.twig
similarity index 100%
rename from core/themes/classy/templates/image/image-style-preview.html.twig
rename to core/themes/classy/templates/admin/image-style-preview.html.twig
diff --git a/core/themes/classy/templates/image/image-widget.html.twig b/core/themes/classy/templates/admin/image-widget.html.twig
similarity index 100%
rename from core/themes/classy/templates/image/image-widget.html.twig
rename to core/themes/classy/templates/admin/image-widget.html.twig
diff --git a/core/themes/classy/templates/node/node-add-list.html.twig b/core/themes/classy/templates/admin/node-add-list.html.twig
similarity index 100%
rename from core/themes/classy/templates/node/node-add-list.html.twig
rename to core/themes/classy/templates/admin/node-add-list.html.twig
diff --git a/core/themes/classy/templates/search/block--search-form-block.html.twig b/core/themes/classy/templates/block/block--search-form-block.html.twig
similarity index 100%
rename from core/themes/classy/templates/search/block--search-form-block.html.twig
rename to core/themes/classy/templates/block/block--search-form-block.html.twig
diff --git a/core/themes/classy/templates/system/block--system-branding-block.html.twig b/core/themes/classy/templates/block/block--system-branding-block.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/block--system-branding-block.html.twig
rename to core/themes/classy/templates/block/block--system-branding-block.html.twig
diff --git a/core/themes/classy/templates/system/block--system-menu-block.html.twig b/core/themes/classy/templates/block/block--system-menu-block.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/block--system-menu-block.html.twig
rename to core/themes/classy/templates/block/block--system-menu-block.html.twig
diff --git a/core/themes/classy/templates/file/file-managed-file.html.twig b/core/themes/classy/templates/content-edit/file-managed-file.html.twig
similarity index 100%
rename from core/themes/classy/templates/file/file-managed-file.html.twig
rename to core/themes/classy/templates/content-edit/file-managed-file.html.twig
diff --git a/core/themes/classy/templates/file/file-upload-help.html.twig b/core/themes/classy/templates/content-edit/file-upload-help.html.twig
similarity index 100%
rename from core/themes/classy/templates/file/file-upload-help.html.twig
rename to core/themes/classy/templates/content-edit/file-upload-help.html.twig
diff --git a/core/themes/classy/templates/file/file-widget-multiple.html.twig b/core/themes/classy/templates/content-edit/file-widget-multiple.html.twig
similarity index 100%
rename from core/themes/classy/templates/file/file-widget-multiple.html.twig
rename to core/themes/classy/templates/content-edit/file-widget-multiple.html.twig
diff --git a/core/themes/classy/templates/file/file-widget.html.twig b/core/themes/classy/templates/content-edit/file-widget.html.twig
similarity index 100%
rename from core/themes/classy/templates/file/file-widget.html.twig
rename to core/themes/classy/templates/content-edit/file-widget.html.twig
diff --git a/core/themes/classy/templates/filter/filter-caption.html.twig b/core/themes/classy/templates/content-edit/filter-caption.html.twig
similarity index 100%
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rename to core/themes/classy/templates/content-edit/filter-caption.html.twig
diff --git a/core/themes/classy/templates/filter/filter-guidelines.html.twig b/core/themes/classy/templates/content-edit/filter-guidelines.html.twig
similarity index 100%
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rename to core/themes/classy/templates/content-edit/filter-guidelines.html.twig
diff --git a/core/themes/classy/templates/filter/filter-tips.html.twig b/core/themes/classy/templates/content-edit/filter-tips.html.twig
similarity index 100%
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rename to core/themes/classy/templates/content-edit/filter-tips.html.twig
diff --git a/core/themes/classy/templates/node/node-edit-form.html.twig b/core/themes/classy/templates/content-edit/node-edit-form.html.twig
similarity index 100%
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rename to core/themes/classy/templates/content-edit/node-edit-form.html.twig
diff --git a/core/themes/classy/templates/filter/text-format-wrapper.html.twig b/core/themes/classy/templates/content-edit/text-format-wrapper.html.twig
similarity index 100%
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rename to core/themes/classy/templates/content-edit/text-format-wrapper.html.twig
diff --git a/core/themes/classy/templates/aggregator/aggregator-item.html.twig b/core/themes/classy/templates/content/aggregator-item.html.twig
similarity index 100%
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rename to core/themes/classy/templates/content/aggregator-item.html.twig
diff --git a/core/themes/classy/templates/book/book-node-export-html.html.twig b/core/themes/classy/templates/content/book-node-export-html.html.twig
similarity index 100%
rename from core/themes/classy/templates/book/book-node-export-html.html.twig
rename to core/themes/classy/templates/content/book-node-export-html.html.twig
diff --git a/core/themes/classy/templates/comment/comment.html.twig b/core/themes/classy/templates/content/comment.html.twig
similarity index 100%
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rename to core/themes/classy/templates/content/comment.html.twig
diff --git a/core/themes/classy/templates/system/mark.html.twig b/core/themes/classy/templates/content/mark.html.twig
similarity index 100%
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rename to core/themes/classy/templates/content/mark.html.twig
diff --git a/core/themes/classy/templates/node/node.html.twig b/core/themes/classy/templates/content/node.html.twig
similarity index 100%
rename from core/themes/classy/templates/node/node.html.twig
rename to core/themes/classy/templates/content/node.html.twig
diff --git a/core/themes/classy/templates/search/search-result.html.twig b/core/themes/classy/templates/content/search-result.html.twig
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diff --git a/core/themes/classy/templates/taxonomy/taxonomy-term.html.twig b/core/themes/classy/templates/content/taxonomy-term.html.twig
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rename to core/themes/classy/templates/content/taxonomy-term.html.twig
diff --git a/core/themes/classy/templates/aggregator/aggregator-feed.html.twig b/core/themes/classy/templates/dataset/aggregator-feed.html.twig
similarity index 100%
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diff --git a/core/themes/classy/templates/comment/field--comment.html.twig b/core/themes/classy/templates/field/field--comment.html.twig
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diff --git a/core/themes/classy/templates/file/file-link.html.twig b/core/themes/classy/templates/field/file-link.html.twig
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diff --git a/core/themes/classy/templates/book/book-all-books-block.html.twig b/core/themes/classy/templates/navigation/book-all-books-block.html.twig
similarity index 100%
rename from core/themes/classy/templates/book/book-all-books-block.html.twig
rename to core/themes/classy/templates/navigation/book-all-books-block.html.twig
diff --git a/core/themes/classy/templates/book/book-navigation.html.twig b/core/themes/classy/templates/navigation/book-navigation.html.twig
similarity index 100%
rename from core/themes/classy/templates/book/book-navigation.html.twig
rename to core/themes/classy/templates/navigation/book-navigation.html.twig
diff --git a/core/themes/classy/templates/book/book-tree.html.twig b/core/themes/classy/templates/navigation/book-tree.html.twig
similarity index 100%
rename from core/themes/classy/templates/book/book-tree.html.twig
rename to core/themes/classy/templates/navigation/book-tree.html.twig
diff --git a/core/themes/classy/templates/system/breadcrumb.html.twig b/core/themes/classy/templates/navigation/breadcrumb.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/breadcrumb.html.twig
rename to core/themes/classy/templates/navigation/breadcrumb.html.twig
diff --git a/core/themes/classy/templates/system/links.html.twig b/core/themes/classy/templates/navigation/links.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/links.html.twig
rename to core/themes/classy/templates/navigation/links.html.twig
diff --git a/core/themes/classy/templates/system/menu-local-action.html.twig b/core/themes/classy/templates/navigation/menu-local-action.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/menu-local-action.html.twig
rename to core/themes/classy/templates/navigation/menu-local-action.html.twig
diff --git a/core/themes/classy/templates/system/menu-local-task.html.twig b/core/themes/classy/templates/navigation/menu-local-task.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/menu-local-task.html.twig
rename to core/themes/classy/templates/navigation/menu-local-task.html.twig
diff --git a/core/themes/classy/templates/system/menu-local-tasks.html.twig b/core/themes/classy/templates/navigation/menu-local-tasks.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/menu-local-tasks.html.twig
rename to core/themes/classy/templates/navigation/menu-local-tasks.html.twig
diff --git a/core/themes/classy/templates/system/menu.html.twig b/core/themes/classy/templates/navigation/menu.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/menu.html.twig
rename to core/themes/classy/templates/navigation/menu.html.twig
diff --git a/core/themes/classy/templates/system/pager.html.twig b/core/themes/classy/templates/navigation/pager.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/pager.html.twig
rename to core/themes/classy/templates/navigation/pager.html.twig
diff --git a/core/themes/classy/templates/toolbar/toolbar.html.twig b/core/themes/classy/templates/navigation/toolbar.html.twig
similarity index 100%
rename from core/themes/classy/templates/toolbar/toolbar.html.twig
rename to core/themes/classy/templates/navigation/toolbar.html.twig
diff --git a/core/themes/classy/templates/system/vertical-tabs.html.twig b/core/themes/classy/templates/navigation/vertical-tabs.html.twig
similarity index 100%
rename from core/themes/classy/templates/system/vertical-tabs.html.twig
rename to core/themes/classy/templates/navigation/vertical-tabs.html.twig
diff --git a/core/themes/classy/templates/forum/forum-submitted.html.twig b/core/themes/classy/templates/user/forum-submitted.html.twig
similarity index 100%
rename from core/themes/classy/templates/forum/forum-submitted.html.twig
rename to core/themes/classy/templates/user/forum-submitted.html.twig
