Improve invoices page clarity and structure

modules/savanna/modules/administration/pages/billing/invoices.adoc

@@ -1,58 +1,74 @@
 = Invoices
 :experimental:
 
-Here TigerGraph Savanna users can check, reference, and export their invoice information.
+View, filter, and export invoices for your TigerGraph Savanna organization from the Billing section. Each invoice reflects charges for a specific billing period and includes a status that shows where it is in the payment lifecycle.
 
-== View and Export an Invoice
+== View your invoices
 
-.To get started with btn:[Invoices] follow the steps below:
-. Navigate to the btn:[Billing] tab in the left navigation.
+. Navigate to the *Billing* tab in the left navigation.
 +
 image::billing-nav.png[width=300]
 
-. Select the btn:[Invoices] tab to view the invoices list.
+. Select the *Invoices* tab to open the invoices list.
 +
 image::invoice_tab_.png[]
-+
-.Here you can view general information on invoices, such as:
-* *Invoice Date*: The date the invoice was issued.
-* *Invoice Status*: The status of the invoice.
-* *Invoice Period*: The period that the invoice was issued in.
-* *Total*: Total charge during that invoiced period.
 
-. To export a specific invoice as a `.pdf` select the btn:[PDF] button under btn:[Export As].
+Each invoice row shows the following fields:
+
+[cols="1,3"]
+|===
+| Field | Description
+
+| *Invoice Date*
+| Date the invoice was issued.
+
+| *Invoice Status*
+| Current stage of the invoice in the billing lifecycle. See <<invoice-statuses>>.
+
+| *Invoice Period*
+| Billing period covered by the invoice.
+
+| *Total*
+| Total charge for the invoiced period.
+|===
 
-== Invoice status
+== Export an invoice
 
-Each invoice status indicates the stage of an invoice in the billing lifecycle.
+. In the invoices list, locate the invoice you want to export.
+. Under *Export As*, select btn:[PDF].
+
+The invoice downloads as a `.pdf` file.
+
+[#invoice-statuses]
+== Invoice statuses
+
+Each status indicates where an invoice is in the billing lifecycle.
 
 === In Billing Period
 
-The invoice period is ongoing and charges are still accumulating.
+The billing period is ongoing. Charges are still accumulating and the final amount is not yet set.
 
 image::In_billing_period.png[width=300]
 
 === In Grace Period
 
-The billing period has ended, but the system will automatically attempt payment after the grace period.
+The billing period has ended. The system will automatically attempt payment once the grace period expires.
 
 image::In_grace_period.png[width=300]
 
 === Processing
 
-Invoice amount is being finalized and is not ready for payment.
+The invoice amount is being finalized. Payment cannot be collected until processing is complete.
 
 image::processing_.png[width=300]
 
 === No Payment Needed
 
-The invoice does not require payment (e.g., zero amount or covered by credits).
+No payment is required. This status applies to zero-amount invoices or invoices fully covered by credits.
 
 image::no_payment_needed1.png[width=300]
 
-== Next Steps
-
-Next, learn about other billing topics on the xref:savanna:administration:billing/index.adoc[] page or check out the xref:resources:index.adoc[] section.
-
-Return to the xref:savanna:overview:index.adoc[Overview] page for a different topic.
+== Next steps
 
+* xref:savanna:administration:billing/index.adoc[Billing overview] — explore other billing topics such as payment methods and usage.
+* xref:resources:index.adoc[Resources] — find additional reference material.