Merge pull request #190314 from pizzaz93/patch-4

Update data-model-context.md

Author: PRMerger14

articles/azure-monitor/app/data-model-context.md

@@ -32,7 +32,7 @@ Originally this field was used to indicate the type of the device the end user o
 Max length: 64
 
 
-## Operation id
+## Operation ID
 
 A unique identifier of the root operation. This identifier allows to group telemetry across multiple components. See [telemetry correlation](./correlation.md) for details. The operation id is created by either a request or a page view. All other telemetry sets this field to the value for the containing request or page view. 
 
@@ -69,25 +69,25 @@ Max length: 64
 
 ## Anonymous user id
 
-Anonymous user id. Represents the end user of the application. When telemetry is sent from a service, the user context is about the user that initiated the operation in the service.
+Anonymous user ID. Represents the end user of the application. When telemetry is sent from a service, the user context is about the user that initiated the operation in the service.
 
-[Sampling](./sampling.md) is one of the techniques to minimize the amount of collected telemetry. Sampling algorithm attempts to either sample in or out all the correlated telemetry. Anonymous user id is used for sampling score generation. So anonymous user id should be a random enough value. 
+[Sampling](./sampling.md) is one of the techniques to minimize the amount of collected telemetry. Sampling algorithm attempts to either sample in or out all the correlated telemetry. Anonymous user ID is used for sampling score generation. So anonymous user ID should be a random enough value. 
 
-Using anonymous user id to store user name is a misuse of the field. Use Authenticated user id.
+Using anonymous user ID to store user name is a misuse of the field. Use Authenticated user ID.
 
 Max length: 128
 
 
-## Authenticated user id
+## Authenticated user ID
 
-Authenticated user id. The opposite of anonymous user id, this field represents the user with a friendly name. This is only collected by default with the ASP.NET Framework SDK's [`AuthenticatedUserIdTelemetryInitializer`](https://github.com/microsoft/ApplicationInsights-dotnet/blob/develop/WEB/Src/Web/Web/AuthenticatedUserIdTelemetryInitializer.cs).  
+Authenticated user ID. The opposite of anonymous user ID, this field represents the user with a friendly name. This is only collected by default with the ASP.NET Framework SDK's [`AuthenticatedUserIdTelemetryInitializer`](https://github.com/microsoft/ApplicationInsights-dotnet/blob/develop/WEB/Src/Web/Web/AuthenticatedUserIdTelemetryInitializer.cs).  
 
 Max length: 1024
 
 
-## Account id
+## Account ID
 
-In multi-tenant applications this is the account ID or name, which the user is acting with. Examples may be subscription ID for Azure portal or blog name for a blogging platform.
+In multi-tenant applications this is the tenant account ID or name, which the user is acting with. It is used for additional user segmentation when user ID and authenticated user ID are not sufficient. For example, a subscription ID for Azure portal or the blog name for a blogging platform.
 
 Max length: 1024