Difference between Bank Accounts changed and Bank Account Level Change approval attributes

Summary: What is the difference between the approval attributes: Bank Accounts changed and Bank Account Level Change

Content (required): In the Internal Supplier Profile change approvals we see that there are two options for capturing Bank account changes:

(i) Bank Accounts changed (Change Request Header)

(ii) Bank Account Level (Change Request Bank Accounts)

What are the differences between the two, where can I find details regarding the changes or situations where they are used?

Version (include the version you are using, if applicable): 23C

Code Snippet (add any code snippets that support your topic, if applicable): None