1. "Message delivery
delay + PAP" that indicates the delay of
delivery including the corresponding PAP
==> PACKET LEVEL
2. "By priority (Ages)" that indicates the time that the messages have been within the transmission queue ordered by priority
3. "By priority" that indicates the delay that the messages have suffered from source node to destination node ordered by priority
4. "By priority + age" that indicates the delay that the messages have suffered from source node to destination node + the time that they have spent in the transmission queue ordered by priority
Right clicking on top of this fields, you can obtain different type of plots including the ones you need.