docs: update graph to show source data

docs/data/pipelines/operations/aws/cost-and-usage-report.md

@@ -13,16 +13,16 @@ LIMIT 10;
 ```
 
 ## Data pipeline
-A high level view of the data pipeline is shown below:
+A high level view is shown below with more details about each step following the diagram.
 
 ```mermaid
 graph TD
     %% Source Systems
     CUR[AWS CUR 2.0 Export]
-    Lambda[Account Tags Lambda]
+    Lambda["`**Lambda**<br>Extract account tags`"]
     
     %% Storage
-    OrgS3["`**Organization S3 Bucket**<br/>cds-cost-usage-report`"]
+    OrgS3["`**S3 Bucket**<br/>cds-cost-usage-report`"]
     RawS3["`**Raw S3 Bucket**<br/>cds-data-lake-raw-production`"]
     TransS3["`**Transformed S3 Bucket**<br/>cds-data-lake-transformed-production`"]
     
@@ -33,15 +33,15 @@ graph TD
     ETL["ETL Job (Daily)"]
 
     %% Flow
-    subgraph org[Organization]
+    subgraph org[AWS Organization account]
         CUR --> OrgS3
         Lambda
     end
 
     Lambda --> |account-tags.json|RawS3
     OrgS3 --> |S3 Replication|RawS3
 
-    subgraph datalake[Data Lake]
+    subgraph datalake[Data Lake account]
         RawS3 --> Crawlers
         Crawlers --> |Updates Schema|CatalogRaw
         CatalogRaw --> ETL