From 3b02e4e26a3a68cb648f7873cd0ddb0dcaeadfc1 Mon Sep 17 00:00:00 2001
From: David Shevitz <dshevitz@google.com>
Date: Mon, 23 Nov 2020 23:11:47 +0000
Subject: [PATCH] docs: Rename Main concepts to Understanding Angular, Built-in
 Features to Developer Guides (#39930)

PR Close #39930
---
 aio/content/navigation.json | 128 ++++++++++++++++++------------------
 1 file changed, 64 insertions(+), 64 deletions(-)

diff --git a/aio/content/navigation.json b/aio/content/navigation.json
index 3dc8e3a119..9ed124c84e 100644
--- a/aio/content/navigation.json
+++ b/aio/content/navigation.json
@@ -94,7 +94,7 @@
       ]
     },
     {
-      "title": "Main Concepts",
+      "title": "Understanding Angular",
       "tooltip": "Learn the concepts essential to becoming a proficient Angular developer.",
       "children": [
         {
@@ -239,8 +239,8 @@
       ]
     },
     {
-      "title": "Built-in Features",
-      "tooltip": "Learn how to add Angular's built-in features to add functionality to your applications.",
+      "title": "Developer Guides",
+      "tooltip": "Learn more about how to use Angular to build your applications.",
       "children": [
         {
           "url": "guide/router",
@@ -278,6 +278,57 @@
           "title": "HTTP Client",
           "tooltip": "Use HTTP to talk to a remote server."
         },
+        {
+          "title": "Testing",
+          "tooltip": "Testing your Angular apps.",
+          "children": [
+            {
+              "url": "guide/testing",
+              "title": "Intro to Testing",
+              "tooltip": "Introduction to testing an Angular app."
+            },
+            {
+              "url": "guide/testing-code-coverage",
+              "title": "Code Coverage",
+              "tooltip": "Determine how much of your code is tested."
+            },
+            {
+              "url": "guide/testing-services",
+              "title": "Testing Services",
+              "tooltip": "How to test services."
+            },
+            {
+              "url": "guide/testing-components-basics",
+              "title": "Basics of Testing Components",
+              "tooltip": "The fundamentals of how to test components."
+            },
+            {
+              "url": "guide/testing-components-scenarios",
+              "title": "Component Testing Scenarios",
+              "tooltip": "Use cases for testing components."
+            },
+            {
+              "url": "guide/testing-attribute-directives",
+              "title": "Testing Attribute Directives",
+              "tooltip": "How to test attribute directives."
+            },
+            {
+              "url": "guide/testing-pipes",
+              "title": "Testing Pipes",
+              "tooltip": "Writing tests for pipes."
+            },
+            {
+              "url": "guide/test-debugging",
+              "title": "Debugging Tests",
+              "tooltip": "How to debug tests."
+            },
+            {
+              "url": "guide/testing-utility-apis",
+              "title": "Testing Utility APIs",
+              "tooltip": "Features of the Angular testing utilities."
+            }
+          ]
+        },
         {
           "url": "guide/i18n",
           "title": "Internationalization (i18n)",
@@ -398,56 +449,16 @@
           "tooltip": "Use property binding efficiently."
         },
         {
-          "title": "Testing",
-          "tooltip": "Testing your Angular apps.",
-          "children": [
-            {
-              "url": "guide/testing",
-              "title": "Intro to Testing",
-              "tooltip": "Introduction to testing an Angular app."
-            },
-            {
-              "url": "guide/testing-code-coverage",
-              "title": "Code Coverage",
-              "tooltip": "Determine how much of your code is tested."
-            },
-            {
-              "url": "guide/testing-services",
-              "title": "Testing Services",
-              "tooltip": "How to test services."
-            },
-            {
-              "url": "guide/testing-components-basics",
-              "title": "Basics of Testing Components",
-              "tooltip": "The fundamentals of how to test components."
-            },
-            {
-              "url": "guide/testing-components-scenarios",
-              "title": "Component Testing Scenarios",
-              "tooltip": "Use cases for testing components."
-            },
-            {
-              "url": "guide/testing-attribute-directives",
-              "title": "Testing Attribute Directives",
-              "tooltip": "How to test attribute directives."
-            },
-            {
-              "url": "guide/testing-pipes",
-              "title": "Testing Pipes",
-              "tooltip": "Writing tests for pipes."
-            },
-            {
-              "url": "guide/test-debugging",
-              "title": "Debugging Tests",
-              "tooltip": "How to debug tests."
-            },
-            {
-              "url": "guide/testing-utility-apis",
-              "title": "Testing Utility APIs",
-              "tooltip": "Features of the Angular testing utilities."
-            }
-          ]
-        },
+          "url": "guide/lightweight-injection-tokens",
+          "title": "Lightweight Injection Tokens for Libraries",
+          "tooltip": "Optimize client app size by designing library services with lightweight injection tokens."
+        }
+      ]
+    },
+    {
+      "title": "Angular Tools",
+      "tooltip": "Tools to help you build your Angular applications.",
+      "children": [
         {
           "title": "Dev Workflow",
           "tooltip": "Build, and deployment information.",
@@ -490,17 +501,6 @@
             }
           ]
         },
-        {
-          "url": "guide/lightweight-injection-tokens",
-          "title": "Lightweight Injection Tokens for Libraries",
-          "tooltip": "Optimize client app size by designing library services with lightweight injection tokens."
-        }
-      ]
-    },
-    {
-      "title": "Angular Tools",
-      "tooltip": "Tools to help you build your Angular applications.",
-      "children": [
         {
           "url": "guide/cli-builder",
           "title": "CLI Builders",