B: Sensitive information types can also be used with the Azure Information Protection scanner to classify and protect files on premises. Sensitive information types define how the automated process recognizes specific information types such as health service numbers and credit card numbers.
E: With sensitivity labels you can classify and help protect your sensitive content. Protection options include labels, watermarks, and encryption.
Reference:
https://docs.microsoft.com/en-us/microsoft-365/compliance/protect-information