[Doc Improvement][Displayname-updates]

msteams-platform/TOC.yml

@@ -11,55 +11,65 @@
   items:
   - name: Teams app that fits
     href: overview.md
-    displayName: Why build apps with Microsoft Teams platform
+    displayName: build teams app, why build apps with Microsoft Teams platform
   - name: From ideas to Teams app
     href: overview-story.md
-    displayName: Teams app user experience
+    displayName: Teams app user experience, user scenario
   - name: Explore Teams platform features
     href: overview-explore.md
   - name: The Teams solution
     href: overview-solution.md
+    displayName: develop Teams app, app development, tools used
 - name: Get started
   expanded: false
   items:
   - name: Build your Teams app
     href: get-started/get-started-overview.md
-    displayName: First Teams app, Python, .NET, Java, Node.js, get started
+    displayName: new Teams app, GitHub Codespaces, tutorials
   - name: Build a tab app
     href: get-started/build-basic-tab-app.md
+    displayName: build Teams tab app
   - name: Build an interactive notification bot app
     href: get-started/build-interactive-notification-bot.md
+    displayName: build Teams bot app, build interactive bot
   - name: Build a message extension app
     href: get-started/build-message-extension.md
+    displayName: search based message extension app
   - name: Tool options and code samples
     href: get-started/tool-options-and-code-samples.md
+    displayName: Teams app samples, tools to build Teams app
 
 - name: Plan your app
   items:
   - name: Overview
     href: concepts/app-fundamentals-overview.md
-    displayName: Teams app features, Government Community Cloud (GCC), Department of Defense (DOD), GCC-High (GCCH)
+    displayName: plan Teams app, app lifecycle, government cloud
   - name: Understand use case
     href: concepts/design/understand-use-cases.md
-    displayName: App scope, Teams app features, capabilities
+    displayName: user requirements, app functionalities, app scope, capabilities
   - name: Map use case to Teams features
     href: concepts/design/map-use-cases.md
+    displayName: user scenarios, Teams app features
   - name: Teams app planning checklist
     href: concepts/design/planning-checklist.md
-    displayName: HTTPs, localhost, host your Teams app
+    displayName: checklist to build Teams app, HTTPs, localhost
   - name: Plan responsive tabs for Teams mobile
     href: concepts/design/plan-responsive-tabs-for-teams-mobile.md
+    displayName: tab app in Teams mobile, Teams mobile apps
   - name: Plan analytics for your Teams app
     items:
       - name: Get started with app analytics
         href: concepts/design/overview-analytics.md
+        displayName: data instrumentation, user-specific insights, constructs, conversational, hosted web canvas 
       - name: Strategize and decide what to measure
         href: concepts/design/strategize-measure.md
+        displayName: measure your products, monitor events, product satisfaction, customer values
       - name: Plan code instrumentation using analytics service
         href: concepts/design/plan-code-instrumentation.md
+        displayName: track events, monitor, Azure Applications Insights
   - name: Plan to send app notifications
     href: concepts/design/design-app-notification.md
-    displayName: notification, activity feed, message, alert, notify
+    displayName: notification framework, notification, activity feed, message, alert, notify
 - name: Design your app
   items:
   - name: Overview