MCM - Minor update to understand usage file for exports and Usage details API

Author: bandersmsft

articles/cost-management-billing/understand/understand-usage.md

@@ -7,15 +7,18 @@ tags: billing
 ms.service: cost-management-billing
 ms.subservice: billing
 ms.topic: conceptual
-ms.date: 03/13/2023
+ms.date: 03/20/2023
 ms.author: banders
 ---
 
 # Understand the terms in your Azure usage and charges file
 
 The detailed usage and charges file contains daily rated usage based on negotiated rates,
 purchases (for example, reservations, Marketplace fees), and refunds for the specified period.
-Fees don't include credits, taxes, or other charges or discounts.
+Fees don't include credits, taxes, or other charges or discounts. You manually download the usage and charges file.
+
+The information in the usage and charges file is the same information that's [exported from Cost Management](../costs/tutorial-export-acm-data.md). And, it's the same information that's retrieved from the Cost Details API. For more information about choosing a method to get cost details, see [Choose a cost details solution](../automate/usage-details-best-practices.md).
+
 The following table covers which charges are included for each account type.
 
 Account type | Azure usage | Marketplace usage | Purchases | Refunds
@@ -48,7 +51,7 @@ BillingPeriodStartDate | All | The start date of the billing period.
 BillingProfileId¹ | All | Unique identifier of the EA enrollment, PAYG subscription, MCA billing profile, or AWS consolidated account.
 BillingProfileName | All | Name of the EA enrollment, PAYG subscription, MCA billing profile, or AWS consolidated account.
 ChargeType | All | Indicates whether the charge represents usage (**Usage**), a purchase (**Purchase**), or a refund (**Refund**).
-ConsumedService | EA, PAYG | Name of the service the charge is associated with. For more information about choosing a method to get cost details, see [Choose a cost details solution](../automate/usage-details-best-practices.md).
+ConsumedService | All | Name of the service the charge is associated with. 
 CostCenter¹ | EA, MCA | The cost center defined for the subscription for tracking costs (only available in open billing periods for MCA accounts).
 Cost | EA, PAYG | See CostInBillingCurrency.
 CostInBillingCurrency | MCA | Cost of the charge in the billing currency before credits or taxes.