What information is included in flow details but is not in event details?

What information is included in flow details but is not in event details?
A . Network summary information
B . Magnitude information
C . Number of bytes and packets transferred
D . Log source information

Answer: A

Explanation:

Flows represent network activity by normalizing IP addresses, ports, byte and packet counts, and other data, into flow records, which effectively are records of network sessions between two hosts.

Reference: https://www.ibm.com/docs/en/qsip/7.3.2?topic=overview-qradar-events-flows