Merge pull request #238934 from msmimart/release-post-name

[CIAM] Update naming on the hub and landing pages

Author: v-shils

articles/active-directory/external-identities/customers/index.yml

@@ -1,7 +1,7 @@
 ### YamlMime:Landing
 
-title: Azure Active Directory for customers documentation
-summary: Azure Active Directory (Azure AD) for customers is a customer identity access management (CIAM) solution that lets you create secure, customized sign-in experiences for your customer-facing apps and services.
+title: Microsoft Entra External ID for customers documentation
+summary: Microsoft Entra External ID for customers, also known as Azure Active Directory (Azure AD) for customers, is a customer identity access management (CIAM) solution that lets you create secure, customized sign-in experiences for your customer-facing apps and services.
 
 metadata: 
    title: Azure AD for customers documentation

articles/active-directory/external-identities/index.yml

@@ -1,7 +1,7 @@
 ### YamlMime:Hub
 
 ## FRONT MATTER START
-title: Azure Active Directory External Identities documentation # < 60 chars
+title: Microsoft Entra External ID documentation # < 60 chars
 summary: >
   With Azure AD External Identities, you can collaborate with partners and guests (B2B) or add customer identity and access (CIAM) management to your customer-facing apps. 
 brand: azure
@@ -42,7 +42,7 @@ highlightedContent:
 additionalContent:
   # Supports up to 4 subsections
   sections:
-    - title: Azure AD for customers (CIAM)
+    - title: Microsoft Entra External ID for customers (CIAM)
       items:
         # Card
         - title: Overview
@@ -68,7 +68,7 @@ additionalContent:
         - title: Customize the sign-in look and feel
           summary: Learn about how to personalize the end-user experience.
           url: /azure/active-directory/external-identities/customers/concept-branding-customers        
-    - title: Azure AD B2B
+    - title: Microsoft Entra External ID for partners (B2B)
       items:      
         # Card
         - title: Overview