changed files by pdets auto publish service, publishid[8ad79f27-db5c-441b-b788-b8fe43931f13] and do [publish].

Author: wwlpublish

learn-pr/wwl-language/store-retrieve-json-files/index.yml

@@ -2,16 +2,17 @@
 uid: learn.wwl.store-retrieve-json-files
 metadata:
   title: Store and retrieve JSON files
-  description: "Learn how to serialize and deserialize between JavaScript Object Notation (JSON) and C# object using the JsonSerializer class, the JsonSerializerOptions class, and Data Transfer Objects."
+  description: "Learn how to serialize and deserialize JavaScript Object Notation (JSON) strings using the JsonSerializer class, the JsonSerializerOptions class, and Data Transfer Objects."
   ms.date: 04/03/2025
   author: wwlpublish
   ms.author: cahowd
   ms.topic: module-intro-to-product
   ms.service: dotnet-csharp
+  ms.subservice: fundamentals
   ms.devlang: csharp
   ai-usage: human-only
 title: Store and retrieve JSON files
-summary: Learn how to serialize and deserialize between JavaScript Object Notation (JSON) and C# object using the JsonSerializer class, the JsonSerializerOptions class, and Data Transfer Objects.
+summary: Learn how to serialize and deserialize JavaScript Object Notation (JSON) strings using the JsonSerializer class, the JsonSerializerOptions class, and Data Transfer Objects.
 abstract: |
   -   Explain the basics of JSON syntax and its use in data interchange and storage.
 
@@ -27,7 +28,7 @@ prerequisites: |
 
   -   The ability to develop object-oriented programs in C# that implement classes, interfaces, class inheritance, and polymorphic behavior.
 
-  -   The ability to manage collections, structs, records, generics, dates and times, and anonymous types.
+  -   The ability to manage collections, structs, records, generics, dates and times, and anonymous types.
 
   -   A basic understanding of file input and output operations using the System.IO classes.
 iconUrl: /training/achievements/generic-trophy.svg
@@ -41,6 +42,9 @@ roles:
 products:
 - dotnet
 - vs-code
+subjects:
+- app-development
+- custom-app-development
 units:
 - learn.wwl.store-retrieve-json-files.introduction
 - learn.wwl.store-retrieve-json-files.get-started-javascript-object-notation