In the RM024 settings, what is meant by "packet time" in the description for the Random Backoff setting?

Q: In the RM024 settings, what is meant by "packet time" in the description for the Random Backoff setting? A: Packet time refers to the slot time; if there are 2 slots per hop by default then a packet time is a single slot. It is the time to send a single packet and a single packet is sent in a single time slot. By default there are only 2 slots per hop.